{"id":13954,"date":"2024-10-21T08:18:57","date_gmt":"2024-10-21T01:18:57","guid":{"rendered":"https:\/\/howtotrade.blog\/?p=13954---5142232c-8825-46ad-9088-1f9619fd76c0"},"modified":"2026-06-30T02:21:08","modified_gmt":"2026-06-29T19:21:08","slug":"nen-out-bands-va-cach-choi-olymp-trade-tot-nhat-danh-cho-nguoi-moi","status":"publish","type":"post","link":"https:\/\/howtotrade.blog\/vi\/nen-out-bands-va-cach-choi-olymp-trade-tot-nhat-danh-cho-nguoi-moi\/","title":{"rendered":"Giao D\u1ecbch N\u1ebfn Out Bands Bollinger Bands Cho Ng\u01b0\u1eddi M\u1edbi"},"content":{"rendered":"<div class=\"key-takeaways\" style=\"background-color: #f4f6f9; border-left: 5px solid #0073aa; padding: 20px; margin-bottom: 25px; border-radius: 4px;\">\n<h3 style=\"margin-top: 0; color: #0073aa; font-size: 1.2em;\">T\u00f3m T\u1eaft B\u00e0i Vi\u1ebft (Key Takeaways)<\/h3>\n<ul style=\"margin-bottom: 0; padding-left: 20px; line-height: 1.6; font-size: 0.95em; color: #333;\">\n<li><strong>N\u1ebfn Out Bands l\u00e0 g\u00ec:<\/strong> L\u00e0 c\u00e2y n\u1ebfn c\u00f3 gi\u00e1 \u0111\u00f3ng c\u1eeda n\u1eb1m ho\u00e0n to\u00e0n ho\u1eb7c ph\u1ea7n l\u1edbn b\u00ean ngo\u00e0i d\u1ea3i Upper Band (bi\u00ean tr\u00ean) ho\u1eb7c Lower Band (bi\u00ean d\u01b0\u1edbi) c\u1ee7a ch\u1ec9 b\u00e1o Bollinger Bands.<\/li>\n<li><strong>Nguy\u00ean l\u00fd k\u1ef9 thu\u1eadt:<\/strong> D\u1ef1a tr\u00ean l\u00fd thuy\u1ebft \u0111\u1ed9 l\u1ec7ch chu\u1ea9n (Standard Deviation) v\u00e0 xu h\u01b0\u1edbng h\u1ed3i quy v\u1ec1 gi\u00e1 tr\u1ecb trung b\u00ecnh (Mean Reversion), cho th\u1ea5y gi\u00e1 c\u00f3 x\u00e1c su\u1ea5t cao quay l\u1ea1i tr\u1ee5c gi\u1eefa (SMA 20) sau bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh.<\/li>\n<li><strong>Quy t\u1eafc giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u:<\/strong> Kh\u00f4ng giao d\u1ecbch m\u00f9 qu\u00e1ng khi gi\u00e1 ch\u1ea1m bi\u00ean. Ch\u1ec9 m\u1edf v\u1ecb th\u1ebf khi xu\u1ea5t hi\u1ec7n n\u1ebfn x\u00e1c nh\u1eadn \u0111\u1ea3o chi\u1ec1u (nh\u01b0 Pin Bar, Engulfing) t\u1ea1i c\u00e1c v\u00f9ng h\u1ed7 tr\u1ee3\/kh\u00e1ng c\u1ef1 c\u1ee9ng.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd v\u1ed1n chuy\u00ean nghi\u1ec7p:<\/strong> Tuy\u1ec7t \u0111\u1ed1i lo\u1ea1i b\u1ecf ph\u01b0\u01a1ng ph\u00e1p nh\u1ed3i l\u1ec7nh g\u1ea5p th\u1ebfp (Martingale) ho\u1eb7c g\u1ed3ng l\u1ed7 (averaging down). \u00c1p d\u1ee5ng nghi\u00eam ng\u1eb7t quy t\u1eafc b\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n t\u1ed1i \u0111a 2% r\u1ee7i ro m\u1ed7i l\u1ec7nh.<\/li>\n<\/ul>\n<\/div>\n<p>Khi m\u1edbi b\u1eaft \u0111\u1ea7u b\u01b0\u1edbc ch\u00e2n v\u00e0o th\u1ecb tr\u01b0\u1eddng giao d\u1ecbch t\u00e0i ch\u00ednh n\u00f3i chung v\u00e0 n\u1ec1n t\u1ea3ng Olymp Trade n\u00f3i ri\u00eang, \u0111a s\u1ed1 c\u00e1c nh\u00e0 giao d\u1ecbch m\u1edbi (F0) th\u01b0\u1eddng t\u00ecm ki\u1ebfm c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u01b0ng c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u1ee9c th\u00ec. Trong s\u1ed1 \u0111\u00f3, chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u d\u1ef1a tr\u00ean ch\u1ec9 b\u00e1o Bollinger Bands v\u1edbi t\u00edn hi\u1ec7u <strong>n\u1ebfn Out Bands<\/strong> \u0111\u01b0\u1ee3c truy\u1ec1n tai nhau r\u1ea5t nhi\u1ec1u tr\u00ean c\u00e1c di\u1ec5n \u0111\u00e0n v\u00e0 kh\u00f3a h\u1ecdc giao d\u1ecbch.<\/p>\n<p>Tuy nhi\u00ean, m\u1ed9t th\u1ef1c t\u1ebf ph\u0169 ph\u00e0ng l\u00e0 ph\u1ea7n l\u1edbn c\u00e1c nh\u00e0 giao d\u1ecbch m\u1edbi \u00e1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c n\u00e0y theo c\u00e1ch r\u1eadp khu\u00f4n, thi\u1ebfu ki\u1ec3m so\u00e1t r\u1ee7i ro th\u01b0\u1eddng s\u1edbm r\u01a1i v\u00e0o c\u1ea3nh ch\u00e1y t\u00e0i kho\u1ea3n. Nguy\u00ean nh\u00e2n kh\u00f4ng n\u1eb1m \u1edf b\u1ea3n ch\u1ea5t c\u1ee7a ch\u1ec9 b\u00e1o, m\u00e0 do h\u1ecd ch\u01b0a hi\u1ec3u r\u00f5 logic to\u00e1n h\u1ecdc \u0111\u1eb1ng sau Bollinger Bands, thi\u1ebfu t\u00edn hi\u1ec7u x\u00e1c nh\u1eadn v\u00e0 l\u1ea1m d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c qu\u1ea3n l\u00fd v\u1ed1n r\u1ee7i ro cao nh\u01b0 Martingale.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t h\u01b0\u1edbng d\u1eabn giao d\u1ecbch chuy\u00ean nghi\u1ec7p, c\u00f3 h\u1ec7 th\u1ed1ng v\u00e0 an to\u00e0n v\u1edbi n\u1ebfn Out Bands, b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd cung c\u1ea5p to\u00e0n b\u1ed9 ki\u1ebfn th\u1ee9c t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao gi\u00fap b\u1ea1n l\u00e0m ch\u1ee7 chi\u1ebfn l\u01b0\u1ee3c n\u00e0y.<\/p>\n<div class=\"wp-caption aligncenter\" style=\"width: 1290px; margin: 20px auto; text-align: center; border: 1px solid #eee; padding: 10px; background: #fff;\">\n  <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13956\" src=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nen-out-bands-tai-olymp-trade.jpg\" alt=\"M\u00f4 h\u00ecnh n\u1ebfn Out Bands xu\u1ea5t hi\u1ec7n ngo\u00e0i bi\u00ean Bollinger Bands\" width=\"1280\" height=\"720\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nen-out-bands-tai-olymp-trade.jpg 1280w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nen-out-bands-tai-olymp-trade-768x432.jpg 768w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nen-out-bands-tai-olymp-trade-696x392.jpg 696w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nen-out-bands-tai-olymp-trade-1068x601.jpg 1068w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nen-out-bands-tai-olymp-trade-747x420.jpg 747w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p class=\"wp-caption-text\" style=\"font-size: 0.9em; color: #666; margin-top: 5px;\">H\u00ecnh 1: M\u00f4 h\u00ecnh n\u1ebfn Out Bands xu\u1ea5t hi\u1ec7n khi gi\u00e1 \u0111\u00f3ng c\u1eeda n\u1eb1m ngo\u00e0i bi\u00ean c\u1ee7a ch\u1ec9 b\u00e1o Bollinger Bands t\u1ea1i Olymp Trade<\/p>\n<\/div>\n<h2>1. Logic K\u1ef9 Thu\u1eadt \u0110\u1eb1ng Sau Ch\u1ec9 B\u00e1o Bollinger Bands v\u00e0 N\u1ebfn Out Bands<\/h2>\n<p>\u0110\u1ec3 giao d\u1ecbch th\u00e0nh c\u00f4ng, nh\u00e0 giao d\u1ecbch chuy\u00ean nghi\u1ec7p c\u1ea7n hi\u1ec3u r\u00f5 c\u01a1 s\u1edf khoa h\u1ecdc c\u1ee7a c\u00f4ng c\u1ee5 m\u00ecnh \u0111ang s\u1eed d\u1ee5ng thay v\u00ec xem n\u00f3 nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111o\u00e1n m\u00f2 mang t\u00ednh may r\u1ee7i.<\/p>\n<h3>C\u1ea5u t\u1ea1o to\u00e1n h\u1ecdc c\u1ee7a Bollinger Bands<\/h3>\n<p>Ch\u1ec9 b\u00e1o Bollinger Bands do nh\u00e0 ph\u00e2n t\u00edch t\u00e0i ch\u00ednh John Bollinger ph\u00e1t tri\u1ec3n v\u00e0o th\u1eadp ni\u00ean 1980, c\u1ea5u t\u1ea1o t\u1eeb 3 \u0111\u01b0\u1eddng c\u01a1 b\u1ea3n tr\u00ean bi\u1ec3u \u0111\u1ed3 gi\u00e1:<\/p>\n<ul>\n<li><strong>Tr\u1ee5c gi\u1eefa (Middle Band):<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp m\u1eb7c \u0111\u1ecbnh l\u00e0 \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n 20 chu k\u1ef3 (SMA 20). \u0110\u01b0\u1eddng n\u00e0y \u0111\u00f3ng vai tr\u00f2 x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng \u0111i v\u00e0 xu h\u01b0\u1edbng trung h\u1ea1n c\u1ee7a gi\u00e1.<\/li>\n<li><strong>D\u1ea3i bi\u00ean tr\u00ean (Upper Band):<\/strong> \u0110\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c: <code>SMA 20 + (2 \u00d7 \u0110\u1ed9 l\u1ec7ch chu\u1ea9n c\u1ee7a gi\u00e1 trong 20 chu k\u1ef3)<\/code>.<\/li>\n<li><strong>D\u1ea3i bi\u00ean d\u01b0\u1edbi (Lower Band):<\/strong> \u0110\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c: <code>SMA 20 - (2 \u00d7 \u0110\u1ed9 l\u1ec7ch chu\u1ea9n c\u1ee7a gi\u00e1 trong 20 chu k\u1ef3)<\/code>.<\/li>\n<\/ul>\n<h3>\u0110\u1ed9 l\u1ec7ch chu\u1ea9n v\u00e0 Quy lu\u1eadt Ph\u00e2n ph\u1ed1i chu\u1ea9n<\/h3>\n<p>Trong to\u00e1n th\u1ed1ng k\u00ea, \u0111\u1ed9 l\u1ec7ch chu\u1ea9n (Standard Deviation) \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a c\u00e1c gi\u00e1 tr\u1ecb gi\u00e1 so v\u1edbi gi\u00e1 tr\u1ecb trung b\u00ecnh. Theo quy lu\u1eadt ph\u00e2n ph\u1ed1i chu\u1ea9n (Normal Distribution):<\/p>\n<ul>\n<li>Kho\u1ea3ng **68.2%** bi\u1ebfn \u0111\u1ed9ng gi\u00e1 s\u1ebd n\u1eb1m trong ph\u1ea1m vi 1 l\u1ea7n \u0111\u1ed9 l\u1ec7ch chu\u1ea9n (K = 1).<\/li>\n<li>Kho\u1ea3ng **95.4%** bi\u1ebfn \u0111\u1ed9ng gi\u00e1 s\u1ebd n\u1eb1m trong ph\u1ea1m vi 2 l\u1ea7n \u0111\u1ed9 l\u1ec7ch chu\u1ea9n (K = 2) &#8211; \u0111\u00e2y ch\u00ednh l\u00e0 thi\u1ebft l\u1eadp m\u1eb7c \u0111\u1ecbnh c\u1ee7a Bollinger Bands.<\/li>\n<li>Kho\u1ea3ng **99.7%** bi\u1ebfn \u0111\u1ed9ng gi\u00e1 s\u1ebd n\u1eb1m trong ph\u1ea1m vi 3 l\u1ea7n \u0111\u1ed9 l\u1ec7ch chu\u1ea9n (K = 3).<\/li>\n<\/ul>\n<p>D\u1ef1a tr\u00ean l\u00fd thuy\u1ebft n\u00e0y, khi ch\u00fang ta \u0111\u1eb7t h\u1ec7 s\u1ed1 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n c\u1ee7a Bollinger Bands l\u00e0 2, gi\u00e1 c\u1ee7a t\u00e0i s\u1ea3n s\u1ebd dao \u0111\u1ed9ng b\u00ean trong hai d\u1ea3i bi\u00ean Upper Band v\u00e0 Lower Band chi\u1ebfm t\u1edbi <strong>95.4%<\/strong> th\u1eddi gian th\u1ecb tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng. Ch\u1ec9 c\u00f3 **4.6%** x\u00e1c su\u1ea5t gi\u00e1 v\u01b0\u1ee3t ra ngo\u00e0i hai bi\u00ean n\u00e0y \u0111\u1ec3 t\u1ea1o th\u00e0nh n\u1ebfn Out Bands.<\/p>\n<p>Do \u0111\u00f3, khi n\u1ebfn Out Bands xu\u1ea5t hi\u1ec7n, th\u1ecb tr\u01b0\u1eddng \u0111ang r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i bi\u1ebfn \u0111\u1ed9ng c\u1ef1c h\u1ea1n (qu\u00e1 mua ho\u1eb7c qu\u00e1 b\u00e1n n\u1eb7ng n\u1ec1). Theo nguy\u00ean l\u00fd <strong>Mean Reversion (H\u1ed3i quy v\u1ec1 gi\u00e1 tr\u1ecb trung b\u00ecnh)<\/strong>, gi\u00e1 c\u00f3 xu h\u01b0\u1edbng quay tr\u1edf l\u1ea1i v\u00f9ng c\u00e2n b\u1eb1ng (SMA 20) ho\u1eb7c d\u1ea3i \u0111\u1ed1i di\u1ec7n. C\u00e1c nh\u00e0 giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u ng\u1eafn h\u1ea1n khai th\u00e1c ch\u00ednh x\u00e1c nh\u1ecbp \u0111i\u1ec1u ch\u1ec9nh k\u1ef9 thu\u1eadt (Pullback) n\u00e0y \u0111\u1ec3 t\u00ecm ki\u1ebfm l\u1ee3i nhu\u1eadn.<\/p>\n<div class=\"wp-caption aligncenter\" style=\"width: 1290px; margin: 20px auto; text-align: center; border: 1px solid #eee; padding: 10px; background: #fff;\">\n  <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13955\" src=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/ket-qua-giao-dich-tai-olymp-trade-voi-nen-out-bands.jpg\" alt=\"K\u1ebft qu\u1ea3 giao d\u1ecbch th\u1ef1c t\u1ebf \u00e1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c n\u1ebfn Out Bands\" width=\"1280\" height=\"720\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/ket-qua-giao-dich-tai-olymp-trade-voi-nen-out-bands.jpg 1280w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/ket-qua-giao-dich-tai-olymp-trade-voi-nen-out-bands-768x432.jpg 768w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/ket-qua-giao-dich-tai-olymp-trade-voi-nen-out-bands-696x392.jpg 696w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/ket-qua-giao-dich-tai-olymp-trade-voi-nen-out-bands-1068x601.jpg 1068w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/ket-qua-giao-dich-tai-olymp-trade-voi-nen-out-bands-747x420.jpg 747w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p class=\"wp-caption-text\" style=\"font-size: 0.9em; color: #666; margin-top: 5px;\">H\u00ecnh 2: Minh h\u1ecda m\u1ed9t ng\u00e0y giao d\u1ecbch th\u1ef1c t\u1ebf v\u1edbi k\u1ebft qu\u1ea3 t\u00edch c\u1ef1c nh\u1edd tu\u00e2n th\u1ee7 nguy\u00ean t\u1eafc l\u1ecdc t\u00edn hi\u1ec7u n\u1ebfn Out Bands<\/p>\n<\/div>\n<h2>2. Quy T\u1eafc Thi\u1ebft L\u1eadp V\u1ecb Th\u1ebf Giao D\u1ecbch N\u1ebfn Out Bands Chu\u1ea9n X\u00e1c<\/h2>\n<p>M\u1ed9t sai l\u1ea7m kinh \u0111i\u1ec3n c\u1ee7a ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u00e0 m\u1edf l\u1ec7nh mua\/b\u00e1n ng\u01b0\u1ee3c xu h\u01b0\u1edbng ngay l\u1eadp t\u1ee9c khi th\u1ea5y n\u1ebfn v\u1eeba ch\u1ea1m ho\u1eb7c v\u01b0\u1ee3t qua d\u1ea3i bi\u00ean. \u0110i\u1ec1u n\u00e0y c\u1ef1c k\u1ef3 nguy hi\u1ec3m v\u00ec trong c\u00e1c xu h\u01b0\u1edbng m\u1ea1nh m\u1ebd (Trending), gi\u00e1 c\u00f3 th\u1ec3 b\u00e1m d\u1ea3i bi\u00ean (Riding the Bands) \u0111i r\u1ea5t xa. \u0110\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro, b\u1ea1n c\u1ea7n \u00e1p d\u1ee5ng c\u00e1c b\u1ed9 l\u1ecdc t\u00edn hi\u1ec7u x\u00e1c nh\u1eadn nghi\u00eam ng\u1eb7t.<\/p>\n<h3>Quy t\u1eafc giao d\u1ecbch v\u1ecb th\u1ebf Mua (Buy\/Long Entry)<\/h3>\n<ol>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n c\u1ea7n:<\/strong> Bi\u1ec3u \u0111\u1ed3 xu\u1ea5t hi\u1ec7n m\u1ed9t c\u00e2y n\u1ebfn gi\u1ea3m m\u1ea1nh \u0111\u00f3ng c\u1eeda n\u1eb1m ho\u00e0n to\u00e0n ho\u1eb7c ph\u1ea7n l\u1edbn \u1edf ph\u00eda d\u01b0\u1edbi d\u1ea3i bi\u00ean d\u01b0\u1edbi (Lower Band).<\/li>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n \u0111\u1ee7 (X\u00e1c nh\u1eadn):<\/strong> Ch\u1edd \u0111\u1ee3i c\u00e2y n\u1ebfn ti\u1ebfp theo \u0111\u00f3ng c\u1eeda. N\u1ebfu c\u00e2y n\u1ebfn n\u00e0y l\u00e0 n\u1ebfn t\u0103ng m\u1ea1nh ho\u1eb7c t\u1ea1o m\u00f4 h\u00ecnh n\u1ebfn r\u00fat ch\u00e2n t\u0103ng gi\u00e1 (nh\u01b0 Pin Bar d\u01b0\u1edbi, Bullish Engulfing) cho th\u1ea5y l\u1ef1c mua \u0111\u00e3 nh\u1eadp cu\u1ed9c \u0111\u1ea9y gi\u00e1 h\u1ed3i ph\u1ee5c v\u00e0o trong Bands.<\/li>\n<li><strong>\u0110i\u1ec3m v\u00e0o l\u1ec7nh (Entry):<\/strong> M\u1edf v\u1ecb th\u1ebf Buy ngay t\u1ea1i m\u1ee9c gi\u00e1 m\u1edf c\u1eeda c\u1ee7a c\u00e2y n\u1ebfn th\u1ee9 ba (ngay sau khi n\u1ebfn x\u00e1c nh\u1eadn \u0111\u00f3ng c\u1eeda).<\/li>\n<li><strong>\u0110i\u1ec3m d\u1eebng l\u1ed7 (Stop Loss):<\/strong> \u0110\u1eb7t d\u1eebng l\u1ed7 c\u1ed1 \u0111\u1ecbnh c\u00e1ch \u0111\u00e1y th\u1ea5p nh\u1ea5t c\u1ee7a c\u00e2y n\u1ebfn Out Bands ho\u1eb7c n\u1ebfn Pin Bar x\u00e1c nh\u1eadn kho\u1ea3ng 5-10 pips \u0111\u1ec3 tr\u00e1nh c\u00e1c \u0111\u1ee3t qu\u00e9t r\u00e2u n\u1ebfn (Stop Hunt).<\/li>\n<li><strong>\u0110i\u1ec3m ch\u1ed1t l\u1eddi (Take Profit):<\/strong>\n<ul>\n<li><strong>Ch\u1ed1t l\u1eddi 1 (TP1):<\/strong> Tr\u1ee5c gi\u1eefa (SMA 20) &#8211; M\u1ee9c m\u1ee5c ti\u00eau an to\u00e0n nh\u1ea5t.<\/li>\n<li><strong>Ch\u1ed1t l\u1eddi 2 (TP2):<\/strong> D\u1ea3i bi\u00ean tr\u00ean (Upper Band) &#8211; \u00c1p d\u1ee5ng khi th\u1ecb tr\u01b0\u1eddng c\u00f3 l\u1ef1c h\u1ed3i m\u1ea1nh m\u1ebd ho\u1eb7c \u0111ang \u0111i ngang bi\u00ean \u0111\u1ed9 r\u1ed9ng.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>Quy t\u1eafc giao d\u1ecbch v\u1ecb th\u1ebf B\u00e1n (Sell\/Short Entry)<\/h3>\n<ol>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n c\u1ea7n:<\/strong> Bi\u1ec3u \u0111\u1ed3 xu\u1ea5t hi\u1ec7n m\u1ed9t c\u00e2y n\u1ebfn t\u0103ng m\u1ea1nh \u0111\u00f3ng c\u1eeda ho\u00e0n to\u00e0n ho\u1eb7c ph\u1ea7n l\u1edbn \u1edf ph\u00eda tr\u00ean d\u1ea3i bi\u00ean tr\u00ean (Upper Band).<\/li>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n \u0111\u1ee7 (X\u00e1c nh\u1eadn):<\/strong> Ch\u1edd c\u00e2y n\u1ebfn ti\u1ebfp theo \u0111\u00f3ng c\u1eeda. N\u1ebfu xu\u1ea5t hi\u1ec7n m\u1ed9t c\u00e2y n\u1ebfn gi\u1ea3m m\u1ea1nh ho\u1eb7c n\u1ebfn \u0111\u1ea3o chi\u1ec1u gi\u1ea3m gi\u00e1 (Shooting Star, Bearish Engulfing) b\u00e1o hi\u1ec7u phe b\u00e1n \u0111\u00e3 n\u1eafm quy\u1ec1n ki\u1ec3m so\u00e1t.<\/li>\n<li><strong>\u0110i\u1ec3m v\u00e0o l\u1ec7nh (Entry):<\/strong> M\u1edf v\u1ecb th\u1ebf Sell t\u1ea1i gi\u00e1 m\u1edf c\u1eeda c\u1ee7a c\u00e2y n\u1ebfn ti\u1ebfp theo sau n\u1ebfn x\u00e1c nh\u1eadn.<\/li>\n<li><strong>\u0110i\u1ec3m d\u1eebng l\u1ed7 (Stop Loss):<\/strong> \u0110\u1eb7t d\u1eebng l\u1ed7 ph\u00eda tr\u00ean \u0111\u1ec9nh cao nh\u1ea5t c\u1ee7a c\u00e2y n\u1ebfn Out Bands ho\u1eb7c n\u1ebfn x\u00e1c nh\u1eadn t\u1eeb 5-10 pips.<\/li>\n<li><strong>\u0110i\u1ec3m ch\u1ed1t l\u1eddi (Take Profit):<\/strong>\n<ul>\n<li><strong>Ch\u1ed1t l\u1eddi 1 (TP1):<\/strong> Tr\u1ee5c gi\u1eefa (SMA 20).<\/li>\n<li><strong>Ch\u1ed1t l\u1eddi 2 (TP2):<\/strong> D\u1ea3i bi\u00ean d\u01b0\u1edbi (Lower Band).<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>3. So S\u00e1nh: Giao D\u1ecbch \u0110\u1ea3o Chi\u1ec1u Out Bands vs. Giao D\u1ecbch Ph\u00e1 V\u1ee1 (Breakout)<\/h2>\n<p>Ch\u1ec9 b\u00e1o Bollinger Bands kh\u00f4ng ch\u1ec9 ph\u1ee5c v\u1ee5 giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u m\u00e0 c\u00f2n l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1eafc l\u1ef1c cho c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u00e1 v\u1ee1 xu h\u01b0\u1edbng (Breakout). B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng hai c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn khi ph\u00e2n t\u00edch bi\u1ec3u \u0111\u1ed3:<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; margin: 25px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 0.95em;\">\n<thead>\n<tr style=\"background-color: #0073aa; color: white; text-align: left;\">\n<th style=\"padding: 12px; border: 1px solid #ddd; min-width: 150px;\">Ti\u00eau ch\u00ed so s\u00e1nh<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd;\">Giao d\u1ecbch \u0110\u1ea3o chi\u1ec1u (Out Bands Reversal)<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd;\">Giao d\u1ecbch Ph\u00e1 v\u1ee1 (Trend Breakout)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\">M\u1ee5c ti\u00eau chi\u1ebfn l\u01b0\u1ee3c<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">T\u00ecm ki\u1ebfm l\u1ee3i nhu\u1eadn t\u1eeb c\u00e1c nh\u1ecbp \u0111i\u1ec1u ch\u1ec9nh ng\u1eafn h\u1ea1n khi gi\u00e1 qu\u00e1 mua\/qu\u00e1 b\u00e1n v\u01b0\u1ee3t d\u1ea3i Bands.<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">B\u1eaft k\u1ecbp xu h\u01b0\u1edbng m\u1ea1nh m\u1ebd m\u1edbi h\u00ecnh th\u00e0nh khi gi\u00e1 v\u01b0\u1ee3t qua d\u1ea3i Bands v\u00e0 b\u00e1m bi\u00ean ti\u1ebfp t\u1ee5c di chuy\u1ec3n.<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\">Tr\u1ea1ng th\u00e1i th\u1ecb tr\u01b0\u1eddng ph\u00f9 h\u1ee3p<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Th\u1ecb tr\u01b0\u1eddng \u0111i ngang (Sideway) ho\u1eb7c t\u00edch l\u0169y kh\u00f4ng c\u00f3 xu h\u01b0\u1edbng r\u00f5 r\u00e0ng.<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Th\u1ecb tr\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng m\u1ea1nh (Trending) ho\u1eb7c v\u1eeba tho\u00e1t kh\u1ecfi v\u00f9ng t\u00edch l\u0169y n\u00fat th\u1eaft c\u1ed5 chai (Squeeze).<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\">T\u00edn hi\u1ec7u v\u00e0o l\u1ec7nh<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">N\u1ebfn Out Bands \u0111\u00f3ng c\u1eeda k\u1ebft h\u1ee3p m\u00f4 h\u00ecnh n\u1ebfn \u0111\u1ea3o chi\u1ec1u (Pin Bar, Engulfing) x\u00e1c nh\u1eadn quay l\u1ea1i trong Bands.<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">N\u1ebfn Out Bands v\u1edbi th\u00e2n n\u1ebfn d\u00e0i, d\u1ee9t kho\u00e1t ph\u00e1 v\u1ee1 c\u00e1c v\u00f9ng c\u1ea3n kh\u00e1ng c\u1ef1\/h\u1ed7 tr\u1ee3 \u0111i k\u00e8m kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch \u0111\u1ed9t bi\u1ebfn.<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\">C\u00e0i \u0111\u1eb7t d\u1eebng l\u1ed7 (Stop Loss)<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u0110\u1eb7t ngay ph\u00eda tr\u00ean \u0111\u1ec9nh (\u0111\u1ed1i v\u1edbi Sell) ho\u1eb7c d\u01b0\u1edbi \u0111\u00e1y (\u0111\u1ed1i v\u1edbi Buy) c\u1ee7a c\u1ee5m n\u1ebfn Out Bands x\u00e1c nh\u1eadn.<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">\u0110\u1eb7t d\u01b0\u1edbi \u0111\u01b0\u1eddng trung b\u00ecnh SMA 20 ho\u1eb7c d\u1ea3i bi\u00ean ng\u01b0\u1ee3c l\u1ea1i c\u1ee7a d\u1ea3i Bollinger.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\">C\u00e0i \u0111\u1eb7t ch\u1ed1t l\u1eddi (Take Profit)<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Target 1 t\u1ea1i \u0111\u01b0\u1eddng trung b\u00ecnh SMA 20 (tr\u1ee5c gi\u1eefa), Target 2 t\u1ea1i d\u1ea3i bi\u00ean \u0111\u1ed1i di\u1ec7n.<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Th\u1ea3 tr\u00f4i theo xu h\u01b0\u1edbng s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt d\u1eddi d\u1eebng l\u1ed7 (Trailing Stop) theo SMA 20 ho\u1eb7c ch\u1ed1t l\u1eddi t\u1ea1i c\u00e1c kh\u00e1ng c\u1ef1\/h\u1ed7 tr\u1ee3 l\u1edbn.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>4. C\u1ea3nh B\u00e1o S\u1ed1ng C\u00f2n: Lo\u1ea1i B\u1ecf Martingale v\u00e0 \u00c1p D\u1ee5ng Quy T\u1eafc Qu\u1ea3n L\u00fd V\u1ed1n 2%<\/h2>\n<p>M\u1ed9t trong nh\u1eefng l\u00fd do khi\u1ebfn r\u1ea5t nhi\u1ec1u nh\u00e0 giao d\u1ecbch m\u1ea5t to\u00e0n b\u1ed9 ti\u1ec1n khi giao d\u1ecbch n\u1ebfn Out Bands t\u1ea1i Olymp Trade l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd v\u1ed1n ki\u1ec3u c\u1edd b\u1ea1c: <strong>Martingale<\/strong> (g\u1ea5p th\u1ebfp khi thua l\u1ed7) v\u00e0 <strong>nh\u1ed3i l\u1ec7nh g\u1ed3ng l\u1ed7 (averaging down)<\/strong>.<\/p>\n<h3>M\u1ed1i nguy hi\u1ec3m ch\u1ebft ng\u01b0\u1eddi t\u1eeb chi\u1ebfn l\u01b0\u1ee3c Martingale<\/h3>\n<p>V\u1ec1 l\u00fd thuy\u1ebft, Martingale h\u1ee9a h\u1eb9n gi\u00fap b\u1ea1n h\u00f2a v\u1ed1n v\u00e0 c\u00f3 l\u1ee3i nhu\u1eadn ch\u1ec9 b\u1eb1ng m\u1ed9t l\u1ec7nh th\u1eafng b\u1eb1ng c\u00e1ch nh\u00e2n \u0111\u00f4i kh\u1ed1i l\u01b0\u1ee3ng sau m\u1ed7i l\u1ec7nh thua. Tuy nhi\u00ean, th\u1ecb tr\u01b0\u1eddng t\u00e0i ch\u00ednh kh\u00f4ng ph\u1ea3i l\u00e0 v\u00f2ng quay Roulette v\u00f4 tri. Khi th\u1ecb tr\u01b0\u1eddng xu\u1ea5t hi\u1ec7n c\u00e1c tin t\u1ee9c v\u0129 m\u00f4 m\u1ea1nh m\u1ebd ho\u1eb7c d\u00f2ng ti\u1ec1n l\u1edbn t\u1eeb c\u00e1c qu\u1ef9 \u0111\u1ea7u t\u01b0 nh\u1ea3y v\u00e0o, gi\u00e1 s\u1ebd h\u00ecnh th\u00e0nh xu h\u01b0\u1edbng c\u1ef1c m\u1ea1nh. Khi \u0111\u00f3 d\u1ea3i Bollinger Bands s\u1ebd m\u1edf r\u1ed9ng ra v\u00e0 gi\u00e1 li\u00ean t\u1ee5c b\u00e1m bi\u00ean (Riding the Bands) t\u1ea1o ra chu\u1ed7i n\u1ebfn Out Bands k\u00e9o d\u00e0i li\u00ean t\u1ee5c t\u1eeb 5, 10, th\u1eadm ch\u00ed 15 c\u00e2y n\u1ebfn.<\/p>\n<p>N\u1ebfu b\u1ea1n li\u00ean t\u1ee5c nh\u00e2n \u0111\u00f4i kh\u1ed1i l\u01b0\u1ee3ng v\u1ecb th\u1ebf giao d\u1ecbch c\u1ee7a m\u00ecnh: <code>$10 -> $20 -> $40 -> $80 -> $160 -> $320 -> $640 -> $1,280 -> $2,560...<\/code><\/p>\n<p>Ch\u1ec9 c\u1ea7n sau 8 \u0111\u1ebfn 9 l\u1ec7nh thua li\u00ean ti\u1ebfp, t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n s\u1ebd b\u1ecb thanh l\u00fd ho\u1eb7c ch\u00e1y ho\u00e0n to\u00e0n. Vi\u1ec7c giao d\u1ecbch kh\u00f4ng c\u00f3 \u0111i\u1ec3m d\u1eebng l\u1ed7 c\u1ed1 \u0111\u1ecbnh v\u00e0 c\u1ed1 ch\u1ea5p \u0111\u1ed1i \u0111\u1ea7u v\u1edbi xu h\u01b0\u1edbng m\u1ea1nh l\u00e0 nguy\u00ean nh\u00e2n s\u1ed1 m\u1ed9t d\u1eabn \u0111\u1ebfn th\u1ea5t b\u1ea1i c\u1ee7a c\u00e1c nh\u00e0 giao d\u1ecbch c\u00e1 nh\u00e2n.<\/p>\n<h3>Quy t\u1eafc qu\u1ea3n l\u00fd v\u1ed1n t\u1ed1i \u0111a 2% r\u1ee7i ro<\/h3>\n<p>\u0110\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t nh\u00e0 giao d\u1ecbch chuy\u00ean nghi\u1ec7p, b\u1ea1n ph\u1ea3i thay th\u1ebf t\u01b0 duy c\u1edd b\u1ea1c b\u1eb1ng k\u1ef7 lu\u1eadt qu\u1ea3n tr\u1ecb v\u1ed1n nghi\u00eam ng\u1eb7t th\u00f4ng qua <strong>Quy t\u1eafc r\u1ee7i ro 2%<\/strong>:<\/p>\n<ul>\n<li><strong>Nguy\u00ean t\u1eafc:<\/strong> T\u1ed5ng s\u1ed1 ti\u1ec1n t\u1ed5n th\u1ea5t t\u1ed1i \u0111a tr\u00ean m\u1ed7i giao d\u1ecbch kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p v\u01b0\u1ee3t qu\u00e1 **2%** t\u1ed5ng s\u1ed1 d\u01b0 t\u00e0i kho\u1ea3n hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n (t\u1ed1t nh\u1ea5t n\u00ean gi\u1eef \u1edf m\u1ee9c 1% \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi).<\/li>\n<li><strong>C\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng v\u1ecb th\u1ebf (Position Sizing):<\/strong>\n<p style=\"background-color: #f9f9f9; padding: 10px; border-left: 3px solid #ccc; font-family: monospace;\">Kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch (Lot) = (S\u1ed1 d\u01b0 t\u00e0i kho\u1ea3n \u00d7 2%) \/ (Kho\u1ea3ng c\u00e1ch d\u1eebng l\u1ed7 b\u1eb1ng Pips \u00d7 Gi\u00e1 tr\u1ecb m\u1ed7i Pip)<\/p>\n<\/li>\n<li><strong>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf:<\/strong> N\u1ebfu t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n c\u00f3 $10,000, m\u1ee9c r\u1ee7i ro t\u1ed1i \u0111a 2% l\u00e0 $200. Khi b\u1ea1n thi\u1ebft l\u1eadp giao d\u1ecbch n\u1ebfn Out Bands v\u1edbi \u0111i\u1ec3m d\u1eebng l\u1ed7 c\u00e1ch \u0111i\u1ec3m v\u00e0o l\u1ec7nh l\u00e0 20 pips (gi\u1ea3 s\u1eed gi\u00e1 tr\u1ecb m\u1ed7i pip l\u00e0 $10 cho 1 lot ti\u00eau chu\u1ea9n), b\u1ea1n ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p giao d\u1ecbch t\u1ed1i \u0111a v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng: <code>$200 \/ (20 pips \u00d7 $10) = 1 Lot<\/code>. N\u1ebfu l\u1ec7nh ch\u1ea1m Stop Loss, b\u1ea1n ch\u1ec9 m\u1ea5t \u0111\u00fang $200 v\u00e0 t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n v\u1eabn c\u00f2n $9,800 \u0111\u1ec3 ti\u1ebfp t\u1ee5c th\u1ef1c hi\u1ec7n c\u00e1c c\u01a1 h\u1ed9i kh\u00e1c.<\/li>\n<\/ul>\n<h2>5. Ph\u00e2n T\u00edch Th\u1ef1c T\u1ebf C\u00e1c T\u00ecnh Hu\u1ed1ng Giao D\u1ecbch N\u1ebfn Out Bands<\/h2>\n<p>\u0110\u1ec3 gi\u00fap b\u1ea1n n\u00e2ng c\u1ea5p k\u1ef9 n\u0103ng giao d\u1ecbch th\u1ef1c t\u1ebf, ch\u00fang ta h\u00e3y c\u00f9ng ph\u00e2n t\u00edch c\u1ee5 th\u1ec3 4 b\u00e0i h\u1ecdc kinh nghi\u1ec7m t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng bi\u1ec3u \u0111\u1ed3 th\u1ef1c t\u1ebf.<\/p>\n<h3>L\u01b0u \u00fd 1: Ph\u00e2n t\u00edch k\u1ef9 xu h\u01b0\u1edbng t\u1ed5ng quan c\u1ee7a gi\u00e1 tr\u01b0\u1edbc khi v\u00e0o l\u1ec7nh<\/h3>\n<p>Bollinger Bands l\u00e0 ch\u1ec9 b\u00e1o \u0111\u1ed9ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 trong th\u1ecb tr\u01b0\u1eddng \u0111i ngang (Sideway) ho\u1eb7c t\u00edch l\u0169y, nh\u01b0ng hi\u1ec7u su\u1ea5t s\u1ebd gi\u1ea3m m\u1ea1nh khi th\u1ecb tr\u01b0\u1eddng b\u01b0\u1edbc v\u00e0o xu h\u01b0\u1edbng (Trend) r\u00f5 r\u00e0ng.<\/p>\n<div class=\"wp-caption aligncenter\" style=\"width: 1290px; margin: 20px auto; text-align: center; border: 1px solid #eee; padding: 10px; background: #fff;\">\n  <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13961\" src=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade.jpg\" alt=\"L\u01b0u \u00fd xem x\u00e9t xu h\u01b0\u1edbng gi\u00e1 m\u1ed7i khi m\u1edf v\u1ecb th\u1ebf giao d\u1ecbch\" width=\"1280\" height=\"720\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade.jpg 1280w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-768x432.jpg 768w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-696x392.jpg 696w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-1068x601.jpg 1068w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-747x420.jpg 747w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p class=\"wp-caption-text\" style=\"font-size: 0.9em; color: #666; margin-top: 5px;\">H\u00ecnh 3: Giao d\u1ecbch th\u00e0nh c\u00f4ng khi gi\u00e1 n\u1eb1m trong v\u00f9ng t\u00edch l\u0169y Sideway ngang, d\u1ea3i Bands co h\u1eb9p v\u00e0 ch\u1ea1y song song<\/p>\n<\/div>\n<p>Khi gi\u00e1 \u0111i ngang nh\u01b0 bi\u1ec3u \u0111\u1ed3 tr\u00ean, c\u00e1c d\u1ea3i bi\u00ean \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00e1c ng\u01b0\u1ee1ng kh\u00e1ng c\u1ef1 v\u00e0 h\u1ed7 tr\u1ee3 \u0111\u1ed9ng r\u1ea5t m\u1ea1nh m\u1ebd. Gi\u00e1 d\u1ec5 d\u00e0ng \u0111\u1ea3o chi\u1ec1u khi v\u01b0\u1ee3t ra ngo\u00e0i bi\u00ean. Ng\u01b0\u1ee3c l\u1ea1i, h\u00e3y xem h\u00ecnh \u1ea3nh ti\u1ebfp theo:<\/p>\n<div class=\"wp-caption aligncenter\" style=\"width: 1290px; margin: 20px auto; text-align: center; border: 1px solid #eee; padding: 10px; background: #fff;\">\n  <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13959\" src=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-3.jpg\" alt=\"L\u1ec7nh giao d\u1ecbch nguy hi\u1ec3m khi gi\u00e1 \u0111ang trong xu h\u01b0\u1edbng gi\u1ea3m m\u1ea1nh\" width=\"1280\" height=\"720\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-3.jpg 1280w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-3-768x432.jpg 768w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-3-696x392.jpg 696w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-3-1068x601.jpg 1068w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-3-747x420.jpg 747w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p class=\"wp-caption-text\" style=\"font-size: 0.9em; color: #666; margin-top: 5px;\">H\u00ecnh 4: M\u1ed9t l\u1ec7nh giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u may m\u1eafn chi\u1ebfn th\u1eafng \u1edf gi\u00e2y cu\u1ed1i, nh\u01b0ng \u0111\u00e2y l\u00e0 l\u1ed7i thi\u1ebft l\u1eadp giao d\u1ecbch nghi\u00eam tr\u1ecdng do c\u1ed1 t\u00ecnh b\u1eaft \u0111\u00e1y khi th\u1ecb tr\u01b0\u1eddng \u0111ang r\u01a1i m\u1ea1nh<\/p>\n<\/div>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, gi\u00e1 v\u1eeba ph\u00e1 v\u1ee1 ng\u01b0\u1ee1ng h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 \u0111ang b\u1eaft \u0111\u1ea7u m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m m\u1ea1nh (Downtrend). Vi\u1ec7c m\u1edf v\u1ecb th\u1ebf Mua \u0111\u1ea3o chi\u1ec1u khi d\u1ea3i Bollinger Bands \u0111ang m\u1edf r\u1ed9ng h\u01b0\u1edbng xu\u1ed1ng d\u01b0\u1edbi l\u00e0 h\u00e0nh vi c\u1ef1c k\u1ef3 m\u1ea1o hi\u1ec3m. M\u1ed9t nh\u00e0 giao d\u1ecbch k\u1ef7 lu\u1eadt s\u1ebd tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng m\u1edf v\u1ecb th\u1ebf \u0111\u1ea3o chi\u1ec1u trong t\u00ecnh hu\u1ed1ng n\u00e0y.<\/p>\n<h3>L\u01b0u \u00fd 2: Tr\u00e1nh giao d\u1ecbch khi c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng b\u00e1m bi\u00ean tr\u01b0\u1edbc \u0111\u00f3<\/h3>\n<p>N\u1ebfu tr\u01b0\u1edbc c\u00e2y n\u1ebfn Out Bands hi\u1ec7n t\u1ea1i \u0111\u00e3 xu\u1ea5t hi\u1ec7n nhi\u1ec1u c\u00e2y n\u1ebfn li\u00ean ti\u1ebfp b\u00e1m s\u00e1t bi\u00ean ho\u1eb7c \u0111\u00f3ng c\u1eeda g\u1ea7n bi\u00ean, \u0111i\u1ec1u n\u00e0y th\u1ec3 hi\u1ec7n xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng \u0111ang c\u00f3 \u0111\u1ed9ng l\u01b0\u1ee3ng r\u1ea5t m\u1ea1nh. B\u1ea1n c\u1ea7n tr\u00e1nh tuy\u1ec7t \u0111\u1ed1i vi\u1ec7c m\u1edf v\u1ecb th\u1ebf giao d\u1ecbch ng\u01b0\u1ee3c chi\u1ec1u.<\/p>\n<div class=\"wp-caption aligncenter\" style=\"width: 1290px; margin: 20px auto; text-align: center; border: 1px solid #eee; padding: 10px; background: #fff;\">\n  <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13958\" src=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-2.jpg\" alt=\"Tr\u00e1nh v\u00e0o l\u1ec7nh khi gi\u00e1 li\u00ean t\u1ee5c b\u00e1m bi\u00ean tr\u01b0\u1edbc \u0111\u00f3\" width=\"1280\" height=\"720\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-2.jpg 1280w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-2-768x432.jpg 768w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-2-696x392.jpg 696w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-2-1068x601.jpg 1068w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-2-747x420.jpg 747w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p class=\"wp-caption-text\" style=\"font-size: 0.9em; color: #666; margin-top: 5px;\">H\u00ecnh 5: Chu\u1ed7i n\u1ebfn b\u00e1m bi\u00ean li\u00ean t\u1ee5c c\u1ea3nh b\u00e1o xu h\u01b0\u1edbng m\u1ea1nh, gi\u00e1 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea3o chi\u1ec1u s\u1edbm<\/p>\n<\/div>\n<p>Nh\u00ecn v\u00e0o bi\u1ec3u \u0111\u1ed3 tr\u00ean, c\u00e1c c\u00e2y n\u1ebfn li\u00ean ti\u1ebfp \u00f4m s\u00e1t d\u1ea3i Lower Band th\u1ec3 hi\u1ec7n \u00e1p l\u1ef1c b\u00e1n \u00e1p \u0111\u1ea3o. C\u00e2y n\u1ebfn Out Bands xu\u1ea5t hi\u1ec7n sau \u0111\u00f3 ch\u1ec9 l\u00e0 s\u1ef1 ti\u1ebfp di\u1ec5n c\u1ee7a \u0111\u1ed9ng l\u01b0\u1ee3ng b\u00e1n th\u00e1o m\u1ea1nh m\u1ebd. Vi\u1ec7c c\u1ed1 g\u1eafng d\u1ef1 \u0111o\u00e1n \u0111\u1ec9nh \u0111\u00e1y v\u00e0 giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u l\u00fac n\u00e0y ch\u1ec9 mang l\u1ea1i t\u1ef7 l\u1ec7 thua l\u1ed7 cao.<\/p>\n<h3>L\u01b0u \u00fd 3: T\u00e1c h\u1ea1i c\u1ee7a vi\u1ec7c nh\u1ed3i l\u1ec7nh g\u1ea5p th\u1ebfp c\u1ee9u v\u00e3n v\u1ecb th\u1ebf sai<\/h3>\n<p>H\u00ecnh \u1ea3nh th\u1ef1c t\u1ebf d\u01b0\u1edbi \u0111\u00e2y minh h\u1ecda h\u1eadu qu\u1ea3 c\u1ee7a vi\u1ec7c c\u1ed1 g\u1eafng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p nh\u1ed3i l\u1ec7nh g\u1ea5p th\u1ebfp Martingale \u0111\u1ec3 c\u1ed1 g\u1eafng t\u00ecm \u0111i\u1ec3m h\u00f2a v\u1ed1n khi th\u1ecb tr\u01b0\u1eddng b\u00e1m bi\u00ean.<\/p>\n<div class=\"wp-caption aligncenter\" style=\"width: 1290px; margin: 20px auto; text-align: center; border: 1px solid #eee; padding: 10px; background: #fff;\">\n  <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13962\" src=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/su-dung-cach-quan-ly-von-martingale-la-dieu-can-thiet-khi-giao-dich-voi-bollinger-bands.jpg\" alt=\"R\u1ee7i ro l\u1edbn khi s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p nh\u1ed3i l\u1ec7nh Martingale\" width=\"1280\" height=\"720\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/su-dung-cach-quan-ly-von-martingale-la-dieu-can-thiet-khi-giao-dich-voi-bollinger-bands.jpg 1280w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/su-dung-cach-quan-ly-von-martingale-la-dieu-can-thiet-khi-giao-dich-voi-bollinger-bands-768x432.jpg 768w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/su-dung-cach-quan-ly-von-martingale-la-dieu-can-thiet-khi-giao-dich-voi-bollinger-bands-696x392.jpg 696w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/su-dung-cach-quan-ly-von-martingale-la-dieu-can-thiet-khi-giao-dich-voi-bollinger-bands-1068x601.jpg 1068w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/su-dung-cach-quan-ly-von-martingale-la-dieu-can-thiet-khi-giao-dich-voi-bollinger-bands-747x420.jpg 747w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p class=\"wp-caption-text\" style=\"font-size: 0.9em; color: #666; margin-top: 5px;\">H\u00ecnh 6: M\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh v\u1ec1 vi\u1ec7c ph\u1ea3i nh\u1ed3i l\u1ec7nh \u0111\u1ebfn l\u1ea7n th\u1ee9 3 m\u1edbi c\u00f3 th\u1ec3 h\u00f2a v\u1ed1n do gi\u00e1 li\u00ean t\u1ee5c b\u00e1m d\u1ea3i bi\u00ean tr\u00ean<\/p>\n<\/div>\n<p>M\u1eb7c d\u00f9 tr\u00ean bi\u1ec3u \u0111\u1ed3 n\u00e0y, ng\u01b0\u1eddi giao d\u1ecbch \u0111\u00e3 may m\u1eafn tho\u00e1t l\u1ec7nh th\u00e0nh c\u00f4ng \u1edf l\u1ec7nh nh\u1ed3i th\u1ee9 3, nh\u01b0ng \u0111\u00e2y ho\u00e0n to\u00e0n l\u00e0 y\u1ebfu t\u1ed1 may m\u1eafn ng\u1eabu nhi\u00ean. N\u1ebfu th\u1ecb tr\u01b0\u1eddng r\u01a1i v\u00e0o giai \u0111o\u1ea1n tin t\u1ee9c bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh, vi\u1ec7c nh\u1ed3i l\u1ec7nh kh\u00f4ng c\u00f3 Stop Loss s\u1ebd nhanh ch\u00f3ng cu\u1ed1n tr\u00f4i to\u00e0n b\u1ed9 s\u1ed1 ti\u1ec1n b\u1ea1n t\u00edch l\u0169y \u0111\u01b0\u1ee3c trong nhi\u1ec1u th\u00e1ng giao d\u1ecbch tr\u01b0\u1edbc \u0111\u00f3. H\u00e3y ch\u1ea5p nh\u1eadn c\u1eaft l\u1ed7 s\u1edbm, tu\u00e2n th\u1ee7 \u0111\u00fang m\u1ee9c r\u1ee7i ro 2% \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n.<\/p>\n<h3>L\u01b0u \u00fd 4: L\u1ef1a ch\u1ecdn tr\u1ea1ng th\u00e1i th\u1ecb tr\u01b0\u1eddng \u0111i ngang (Sideway) \u0111\u1ec3 t\u1ed1i \u01b0u x\u00e1c su\u1ea5t th\u1eafng<\/h3>\n<p>\u0110\u1ec3 t\u1ed1i \u0111a h\u00f3a t\u1ef7 l\u1ec7 chi\u1ebfn th\u1eafng v\u1edbi chi\u1ebfn l\u01b0\u1ee3c n\u1ebfn Out Bands, h\u00e3y ki\u00ean nh\u1eabn ch\u1edd \u0111\u1ee3i c\u00e1c giai \u0111o\u1ea1n th\u1ecb tr\u01b0\u1eddng \u0111i ngang kh\u00f4ng xu h\u01b0\u1edbng.<\/p>\n<div class=\"wp-caption aligncenter\" style=\"width: 1290px; margin: 20px auto; text-align: center; border: 1px solid #eee; padding: 10px; background: #fff;\">\n  <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13960\" src=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-4.jpg\" alt=\"L\u1ef1a ch\u1ecdn th\u1ecb tr\u01b0\u1eddng \u0111i ngang \u0111\u1ec3 giao d\u1ecbch n\u1ebfn Out Bands hi\u1ec7u qu\u1ea3 nh\u1ea5t\" width=\"1280\" height=\"720\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-4.jpg 1280w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-4-768x432.jpg 768w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-4-696x392.jpg 696w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-4-1068x601.jpg 1068w, https:\/\/howtotrade.blog\/wp-content\/uploads\/2021\/01\/nhung-luu-y-can-nho-khi-giao-dich-voi-nen-out-bands-tai-olymp-trade-4-747x420.jpg 747w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p class=\"wp-caption-text\" style=\"font-size: 0.9em; color: #666; margin-top: 5px;\">H\u00ecnh 7: Th\u1ecb tr\u01b0\u1eddng Sideway \u1ed5n \u0111\u1ecbnh l\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00fd t\u01b0\u1edfng nh\u1ea5t \u0111\u1ec3 giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u v\u1edbi n\u1ebfn Out Bands \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao<\/p>\n<\/div>\n<p>Khi gi\u00e1 \u0111i ngang \u1ed5n \u0111\u1ecbnh, d\u1ea3i Bollinger co c\u1ee5m l\u1ea1i th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng h\u1eb9p n\u1eb1m ngang. Khi \u0111\u00f3, m\u1ed7i l\u1ea7n n\u1ebfn \u0111\u00f3ng c\u1eeda v\u01b0\u1ee3t qua bi\u00ean tr\u00ean ho\u1eb7c bi\u00ean d\u01b0\u1edbi s\u1ebd k\u00edch ho\u1ea1t ngay l\u1eadp t\u1ee9c l\u1ef1c c\u1ea3n k\u1ef9 thu\u1eadt \u0111\u01b0a gi\u00e1 quay tr\u1edf v\u1ec1 b\u00ean trong d\u1ea3i Bollinger. \u0110\u00e2y m\u1edbi th\u1ef1c s\u1ef1 l\u00e0 th\u1eddi \u0111i\u1ec3m v\u00e0ng \u0111\u1ec3 b\u1ea1n t\u00ecm ki\u1ebfm l\u1ee3i nhu\u1eadn m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n v\u00e0 an to\u00e0n t\u1eeb ch\u1ec9 b\u00e1o n\u00e0y.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Giao d\u1ecbch v\u1edbi n\u1ebfn Out Bands d\u1ef1a tr\u00ean ch\u1ec9 b\u00e1o Bollinger Bands l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u ng\u1eafn h\u1ea1n c\u00f3 c\u01a1 s\u1edf khoa h\u1ecdc d\u1ef1a tr\u00ean x\u00e1c su\u1ea5t th\u1ed1ng k\u00ea v\u00e0 l\u00fd thuy\u1ebft h\u1ed3i quy v\u1ec1 gi\u00e1 tr\u1ecb trung b\u00ecnh. Tuy nhi\u00ean, s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn nh\u1ea5t gi\u1eefa m\u1ed9t nh\u00e0 giao d\u1ecbch ki\u1ebfm \u0111\u01b0\u1ee3c ti\u1ec1n b\u1ec1n v\u1eefng v\u00e0 m\u1ed9t ng\u01b0\u1eddi li\u00ean t\u1ee5c thua l\u1ed7 kh\u00f4ng n\u1eb1m \u1edf c\u00f4ng c\u1ee5 h\u1ecd d\u00f9ng, m\u00e0 n\u1eb1m \u1edf <strong>t\u00ednh k\u1ef7 lu\u1eadt trong vi\u1ec7c ch\u1ecdn l\u1ecdc t\u00edn hi\u1ec7u x\u00e1c nh\u1eadn<\/strong> v\u00e0 <strong>k\u1ebf ho\u1ea1ch qu\u1ea3n tr\u1ecb r\u1ee7i ro nghi\u00eam ng\u1eb7t<\/strong>.<\/p>\n<p>H\u00e3y lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n t\u00e2m l\u00fd c\u1edd b\u1ea1c, tr\u00e1nh xa c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i v\u1ed1n \u0111\u1ed9c h\u1ea1i nh\u01b0 Martingale, lu\u00f4n \u0111\u1eb7t d\u1eebng l\u1ed7 (Stop Loss) c\u1ed1 \u0111\u1ecbnh cho t\u1eebng giao d\u1ecbch v\u00e0 gi\u1edbi h\u1ea1n m\u1ee9c r\u1ee7i ro t\u1ed1i \u0111a 2% tr\u00ean m\u1ed7i l\u1ec7nh. \u0110\u00f3 l\u00e0 con \u0111\u01b0\u1eddng duy nh\u1ea5t gi\u00fap b\u1ea1n s\u1ed1ng s\u00f3t v\u00e0 th\u00e0nh c\u00f4ng l\u00e2u d\u00e0i tr\u00ean th\u1ecb tr\u01b0\u1eddng t\u00e0i ch\u00ednh.<\/p>\n<p class=\"bee_btn_block\" style=\"text-align: center; margin: 30px 0;\"><a class=\"td_btn td_btn_lg td_round_btn bee_btn\" style=\"background: #f84c28; color: #fff; text-decoration: none; padding: 15px 25px; border-radius: 30px; display: inline-block; font-weight: bold;\" href=\"https:\/\/howtotrade.blog\/go\/olymptrade\/\" target=\"blank\" rel=\"noopener\">\u0110\u0103ng K\u00fd Olymp Trade Nh\u1eadn Mi\u1ec5n Ph\u00ed $10,000<small class=\"bee_btn_small\" style=\"font-size: .8em; font-weight: 100; display: block; margin-top: 5px;\">Nh\u1eadn mi\u1ec5n ph\u00ed $10,000 v\u00e0o t\u00e0i kho\u1ea3n Demo d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi<\/small><\/a><\/p>\n<div class=\"faq-container\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n<h2 style=\"margin-top: 30px;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<div itemprop=\"mainEntity\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">N\u1ebfn Out Bands l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng trong ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt?<\/h3>\n<div itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div itemprop=\"text\">\n<p>N\u1ebfn Out Bands l\u00e0 c\u00e2y n\u1ebfn c\u00f3 m\u1ee9c gi\u00e1 \u0111\u00f3ng c\u1eeda n\u1eb1m ho\u00e0n to\u00e0n ho\u1eb7c ph\u1ea7n l\u1edbn n\u1eb1m ngo\u00e0i d\u1ea3i bi\u00ean tr\u00ean (Upper Band) ho\u1eb7c bi\u00ean d\u01b0\u1edbi (Lower Band) c\u1ee7a ch\u1ec9 b\u00e1o Bollinger Bands. T\u00edn hi\u1ec7u n\u00e0y quan tr\u1ecdng v\u00ec n\u00f3 cho bi\u1ebft th\u1ecb tr\u01b0\u1eddng \u0111ang \u1edf tr\u1ea1ng th\u00e1i bi\u1ebfn \u0111\u1ed9ng c\u1ef1c h\u1ea1n (qu\u00e1 mua ho\u1eb7c qu\u00e1 b\u00e1n), t\u1ea1o ra x\u00e1c su\u1ea5t cao cho m\u1ed9t nh\u1ecbp \u0111i\u1ec1u ch\u1ec9nh k\u1ef9 thu\u1eadt h\u1ed3i quy v\u1ec1 \u0111\u01b0\u1eddng gi\u00e1 tr\u1ecb trung b\u00ecnh (SMA 20).<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<div itemprop=\"mainEntity\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">T\u1ea1i sao giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u n\u1ebfn Out Bands l\u1ea1i th\u01b0\u1eddng b\u1ecb thua l\u1ed7 trong xu h\u01b0\u1edbng m\u1ea1nh?<\/h3>\n<div itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div itemprop=\"text\">\n<p>Trong m\u1ed9t xu h\u01b0\u1edbng m\u1ea1nh (Trending), gi\u00e1 c\u00f3 xu h\u01b0\u1edbng b\u00e1m bi\u00ean (Riding the Bands) v\u00e0 li\u00ean t\u1ee5c t\u1ea1o ra c\u00e1c n\u1ebfn Out Bands khi d\u1ea3i Bollinger Bands m\u1edf r\u1ed9ng. N\u1ebfu giao d\u1ecbch \u0111\u1ea3o chi\u1ec1u m\u00e0 kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u x\u00e1c nh\u1eadn t\u1eeb h\u00e0nh \u0111\u1ed9ng gi\u00e1 (Price Action) ho\u1eb7c v\u00f9ng c\u1ea3n c\u1ee9ng, nh\u00e0 giao d\u1ecbch s\u1ebd li\u00ean t\u1ee5c b\u1ecb qu\u00e9t d\u1eebng l\u1ed7 khi c\u1ed1 g\u1eafng \u0111i ng\u01b0\u1ee3c l\u1ea1i xu h\u01b0\u1edbng m\u1ea1nh c\u1ee7a th\u1ecb tr\u01b0\u1eddng.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<div itemprop=\"mainEntity\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">T\u00f4i n\u00ean \u0111\u1eb7t \u0111i\u1ec3m d\u1eebng l\u1ed7 (Stop Loss) \u1edf \u0111\u00e2u khi giao d\u1ecbch chi\u1ebfn l\u01b0\u1ee3c n\u00e0y?<\/h3>\n<div itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div itemprop=\"text\">\n<p>B\u1ea1n n\u00ean \u0111\u1eb7t \u0111i\u1ec3m d\u1eebng l\u1ed7 c\u1ed1 \u0111\u1ecbnh ph\u00eda tr\u00ean \u0111\u1ec9nh cao nh\u1ea5t (\u0111\u1ed1i v\u1edbi l\u1ec7nh Sell) ho\u1eb7c ph\u00eda d\u01b0\u1edbi \u0111\u00e1y th\u1ea5p nh\u1ea5t (\u0111\u1ed1i v\u1edbi l\u1ec7nh Buy) c\u1ee7a c\u00e2y n\u1ebfn Out Bands ho\u1eb7c n\u1ebfn x\u00e1c nh\u1eadn \u0111\u1ea3o chi\u1ec1u kho\u1ea3ng 5 \u0111\u1ebfn 10 pips. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng giao d\u1ecbch m\u00e0 kh\u00f4ng c\u00e0i \u0111\u1eb7t d\u1eebng l\u1ed7.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<div itemprop=\"mainEntity\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">T\u1ea1i sao ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd v\u1ed1n Martingale l\u1ea1i c\u1ef1c k\u1ef3 nguy hi\u1ec3m \u0111\u1ed1i v\u1edbi chi\u1ebfn l\u01b0\u1ee3c n\u1ebfn Out Bands?<\/h3>\n<div itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div itemprop=\"text\">\n<p>Martingale y\u00eau c\u1ea7u g\u1ea5p \u0111\u00f4i kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch sau m\u1ed7i l\u1ec7nh thua. Khi g\u1eb7p th\u1ecb tr\u01b0\u1eddng b\u00e1m bi\u00ean k\u00e9o d\u00e0i li\u00ean t\u1ee5c, s\u1ed1 ti\u1ec1n k\u00fd qu\u1ef9 c\u1ee7a b\u1ea1n s\u1ebd t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n v\u00e0 nhanh ch\u00f3ng v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng chi tr\u1ea3 c\u1ee7a s\u1ed1 d\u01b0 t\u00e0i kho\u1ea3n, d\u1eabn \u0111\u1ebfn ch\u00e1y t\u00e0i kho\u1ea3n ch\u1ec9 sau m\u1ed9t chu\u1ed7i l\u1ec7nh thua ng\u1eafn.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<div itemprop=\"mainEntity\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">Quy t\u1eafc qu\u1ea3n l\u00fd v\u1ed1n 2% \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nh\u01b0 th\u1ebf n\u00e0o trong th\u1ef1c t\u1ebf?<\/h3>\n<div itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div itemprop=\"text\">\n<p>Quy t\u1eafc n\u00e0y quy \u0111\u1ecbnh s\u1ed1 ti\u1ec1n thua l\u1ed7 t\u1ed1i \u0111a c\u1ee7a b\u1ea1n tr\u00ean m\u1ed9t giao d\u1ecbch kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 2% t\u1ed5ng s\u1ed1 d\u01b0 t\u00e0i kho\u1ea3n. B\u1ea1n t\u00ednh to\u00e1n kh\u1ed1i l\u01b0\u1ee3ng l\u1ec7nh (Position Size) d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch t\u1eeb \u0111i\u1ec3m v\u00e0o l\u1ec7nh t\u1edbi \u0111i\u1ec3m d\u1eebng l\u1ed7 (Stop Loss), \u0111\u1ea3m b\u1ea3o n\u1ebfu giao d\u1ecbch ch\u1ea1m d\u1eebng l\u1ed7 th\u00ec s\u1ed1 ti\u1ec1n t\u1ed5n th\u1ea5t \u0111\u00fang b\u1eb1ng ho\u1eb7c nh\u1ecf h\u01a1n m\u1ee9c r\u1ee7i ro 2% \u0111\u00e3 thi\u1ebft l\u1eadp.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"risk-disclaimer\" style=\"border-left: 4px solid #f44336; padding: 15px; margin-top: 20px; background-color: #ffebee; border-radius: 4px;\">\n<p style=\"margin: 0; font-weight: bold; color: #c62828;\">C\u1ea3nh b\u00e1o r\u1ee7i ro:<\/p>\n<p style=\"margin: 5px 0 0 0; font-size: 0.9em; color: #b71c1c;\">Giao d\u1ecbch c\u00e1c c\u00f4ng c\u1ee5 t\u00e0i ch\u00ednh (nh\u01b0 Forex, Ti\u1ec1n \u0111i\u1ec7n t\u1eed, CFDs) \u1ea9n ch\u1ee9a r\u1ee7i ro thua l\u1ed7 r\u1ea5t cao v\u00e0 c\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0. B\u1ea1n c\u00f3 th\u1ec3 m\u1ea5t to\u00e0n b\u1ed9 s\u1ed1 v\u1ed1n \u0111\u00e3 \u0111\u1ea7u t\u01b0. Do \u0111\u00f3, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 c\u00e1c r\u1ee7i ro li\u00ean quan v\u00e0 ch\u1ec9 giao d\u1ecbch v\u1edbi s\u1ed1 ti\u1ec1n m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn m\u1ea5t.<\/p>\n<\/div>\n<div class=\"author-bio\" style=\"border: 1px solid #ddd; padding: 20px; margin-top: 30px; border-radius: 8px; background-color: #fafafa; display: flex; align-items: center; gap: 20px;\">\n<div class=\"author-avatar\">\n        <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/2ef484dc98dee0e3dacc8cbd61706bc2?s=96&#038;d=mm&#038;r=g\" alt=\"Tr\u1ea7n Hi\u1ec1n\" style=\"border-radius: 50%; width: 80px; height: 80px;\" \/>\n    <\/div>\n<div class=\"author-info\">\n<h4 style=\"margin: 0 0 5px 0; color: #333;\">V\u1ec1 t\u00e1c gi\u1ea3: Tr\u1ea7n Hi\u1ec1n<\/h4>\n<p style=\"margin: 0; font-size: 0.95em; color: #555;\">Tr\u1ea7n Hi\u1ec1n l\u00e0 tr\u01b0\u1edfng b\u1ed9 ph\u1eadn chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch t\u1ea1i HowToTrade.blog, chuy\u00ean gia v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p Price Action (H\u00e0nh \u0111\u1ed9ng gi\u00e1), c\u1ea5u tr\u00fac th\u1ecb tr\u01b0\u1eddng v\u00e0 ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt. V\u1edbi h\u01a1n 8 n\u0103m kinh nghi\u1ec7m giao d\u1ecbch th\u1ef1c chi\u1ebfn tr\u00ean c\u00e1c th\u1ecb tr\u01b0\u1eddng Forex, V\u00e0ng v\u00e0 Ti\u1ec1n \u0111i\u1ec7n t\u1eed, anh gi\u00fap c\u00e1c nh\u00e0 giao d\u1ecbch c\u00e1 nh\u00e2n x\u00e2y d\u1ef1ng k\u1ebf ho\u1ea1ch giao d\u1ecbch c\u00f3 nguy\u00ean t\u1eafc v\u00e0 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd r\u1ee7i ro chuy\u00ean nghi\u1ec7p.<\/p>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u00e2y l\u00e0 b\u00e0i vi\u1ebft chia s\u1ebb cho b\u1ea1n c\u00e1ch giao d\u1ecbch Fixed Time hi\u1ec7u qu\u1ea3 nh\u1ea5t cho ng\u01b0\u1eddi m\u1edbi. \u0110\u00f3 l\u00e0 c\u00e1ch giao d\u1ecbch v\u1edbi n\u1ebfn Out Bands t\u1ea1i Olymp Trade<\/p>\n","protected":false},"author":5,"featured_media":14329,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74],"tags":[4147,7667,14587],"class_list":["post-13954","post","type-post","status-publish","format-standard","has-post-thumbnail","category-olymp-trade-chien-thuat","tag-giao-dich-tai-olymp-trade","tag-giao-dich-fixed-time-la-gi","tag-choi-olymp-trade-voi-bollinger-bands"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.7 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Giao D\u1ecbch N\u1ebfn Out Bands Bollinger Bands Cho Ng\u01b0\u1eddi M\u1edbi<\/title>\n<meta name=\"description\" content=\"H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch giao d\u1ecbch n\u1ebfn Out Bands \u0111\u00f3ng c\u1eeda ngo\u00e0i d\u1ea3i Bollinger Bands gi\u00fap x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m 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