{"id":18413,"date":"2025-04-15T09:11:07","date_gmt":"2025-04-15T02:11:07","guid":{"rendered":"https:\/\/trungvu.net\/?p=18413"},"modified":"2025-04-15T09:11:11","modified_gmt":"2025-04-15T02:11:11","slug":"bollinger-bands-la-gi-cach-su-dung-dai-bollinger-trong-phan-tich-ky-thuat","status":"publish","type":"post","link":"https:\/\/trungvu.net\/wordpress\/bollinger-bands-la-gi-cach-su-dung-dai-bollinger-trong-phan-tich-ky-thuat\/","title":{"rendered":"Bollinger Bands l\u00e0 g\u00ec? C\u00e1ch s\u1eed d\u1ee5ng d\u1ea3i Bollinger trong ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt"},"content":{"rendered":"\n<p><strong>Bollinger Bands<\/strong> (D\u1ea3i Bollinger) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn gi\u00fap nh\u00e0 \u0111\u1ea7u t\u01b0 nh\u1eadn bi\u1ebft v\u00f9ng gi\u00e1 qu\u00e1 mua, qu\u00e1 b\u00e1n v\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng. \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi John Bollinger v\u00e0o \u0111\u1ea7u th\u1eadp ni\u00ean 1980, Bollinger Bands l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 b\u00e1o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong giao d\u1ecbch c\u1ed5 phi\u1ebfu, forex v\u00e0 ti\u1ec1n \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/trungvu.net\/wp-content\/uploads\/2025\/04\/1-14-1024x683.png\" alt=\"Bollinger Bands l\u00e0 g\u00ec? C\u00e1ch s\u1eed d\u1ee5ng d\u1ea3i Bollinger trong ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt\" class=\"wp-image-18418\" srcset=\"https:\/\/trungvu.net\/wordpress\/wp-content\/uploads\/2025\/04\/1-14-1024x683.png 1024w, https:\/\/trungvu.net\/wordpress\/wp-content\/uploads\/2025\/04\/1-14-300x200.png 300w, https:\/\/trungvu.net\/wordpress\/wp-content\/uploads\/2025\/04\/1-14-768x512.png 768w, https:\/\/trungvu.net\/wordpress\/wp-content\/uploads\/2025\/04\/1-14.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Bollinger Bands l\u00e0 g\u00ec? C\u00e1ch s\u1eed d\u1ee5ng d\u1ea3i Bollinger trong ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1. Bollinger Bands l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p><strong>Bollinger Bands<\/strong> l\u00e0 m\u1ed9t d\u1ea3i g\u1ed3m ba \u0111\u01b0\u1eddng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u1ea3i gi\u1eefa (Middle Band)<\/strong>: L\u00e0 \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n (SMA) c\u1ee7a gi\u00e1, th\u01b0\u1eddng t\u00ednh theo 20 phi\u00ean.<\/li>\n\n\n\n<li><strong>D\u1ea3i tr\u00ean (Upper Band)<\/strong>: L\u00e0 d\u1ea3i gi\u1eefa c\u1ed9ng th\u00eam 2 l\u1ea7n \u0111\u1ed9 l\u1ec7ch chu\u1ea9n (standard deviation).<\/li>\n\n\n\n<li><strong>D\u1ea3i d\u01b0\u1edbi (Lower Band)<\/strong>: L\u00e0 d\u1ea3i gi\u1eefa tr\u1eeb \u0111i 2 l\u1ea7n \u0111\u1ed9 l\u1ec7ch chu\u1ea9n.<\/li>\n<\/ul>\n\n\n\n<p>C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Middle Band = SMA(n)\nUpper Band = SMA(n) + (2 x \u0111\u1ed9 l\u1ec7ch chu\u1ea9n)\nLower Band = SMA(n) - (2 x \u0111\u1ed9 l\u1ec7ch chu\u1ea9n)\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">2. Bollinger Bands d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h2>\n\n\n\n<p>Bollinger Bands gi\u00fap trader:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110o l\u01b0\u1eddng <strong>\u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng<\/strong> c\u1ee7a gi\u00e1.<\/li>\n\n\n\n<li>X\u00e1c \u0111\u1ecbnh <strong>v\u00f9ng qu\u00e1 mua\/qu\u00e1 b\u00e1n<\/strong>.<\/li>\n\n\n\n<li>Ph\u00e1t hi\u1ec7n c\u00e1c <strong>c\u00fa breakout<\/strong> ho\u1eb7c t\u00edn hi\u1ec7u \u0111\u1ea3o chi\u1ec1u.<\/li>\n<\/ul>\n\n\n\n<p>Khi d\u1ea3i Bollinger <strong>thu h\u1eb9p<\/strong>, th\u1ecb tr\u01b0\u1eddng \u0111ang \u00edt bi\u1ebfn \u0111\u1ed9ng \u2014 \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u cho m\u1ed9t \u0111\u1ee3t <strong>b\u1ee9t ph\u00e1<\/strong> s\u1eafp x\u1ea3y ra. Khi d\u1ea3i Bollinger <strong>m\u1edf r\u1ed9ng<\/strong>, th\u1ecb tr\u01b0\u1eddng \u0111ang c\u00f3 bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. C\u00e1ch s\u1eed d\u1ee5ng Bollinger Bands hi\u1ec7u qu\u1ea3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">a. Giao d\u1ecbch khi gi\u00e1 ch\u1ea1m d\u1ea3i tr\u00ean\/d\u01b0\u1edbi<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khi gi\u00e1 <strong>ch\u1ea1m d\u1ea3i tr\u00ean<\/strong>, th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111ang <strong>qu\u00e1 mua<\/strong>, d\u1ec5 \u0111i\u1ec1u ch\u1ec9nh.<\/li>\n\n\n\n<li>Khi gi\u00e1 <strong>ch\u1ea1m d\u1ea3i d\u01b0\u1edbi<\/strong>, th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111ang <strong>qu\u00e1 b\u00e1n<\/strong>, c\u00f3 kh\u1ea3 n\u0103ng b\u1eadt l\u00ean.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u26a0\ufe0f L\u01b0u \u00fd: Ch\u1ea1m d\u1ea3i kh\u00f4ng \u0111\u1ed3ng ngh\u0129a l\u00e0 gi\u00e1 s\u1ebd \u0111\u1ea3o chi\u1ec1u ngay, c\u1ea7n k\u1ebft h\u1ee3p th\u00eam c\u00e1c ch\u1ec9 b\u00e1o kh\u00e1c (RSI, MACD&#8230;).<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">b. Chi\u1ebfn l\u01b0\u1ee3c Bollinger Band Squeeze<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khi d\u1ea3i Bollinger <strong>si\u1ebft ch\u1eb7t<\/strong>, gi\u00e1 th\u01b0\u1eddng s\u1eafp c\u00f3 <strong>breakout m\u1ea1nh<\/strong>.<\/li>\n\n\n\n<li>Trader theo d\u00f5i h\u01b0\u1edbng breakout \u0111\u1ec3 v\u00e0o l\u1ec7nh theo xu h\u01b0\u1edbng m\u1edbi.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">c. K\u1ebft h\u1ee3p v\u1edbi m\u00f4 h\u00ecnh n\u1ebfn<\/h3>\n\n\n\n<p>Bollinger Bands ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c <strong>m\u00f4 h\u00ecnh n\u1ebfn \u0111\u1ea3o chi\u1ec1u<\/strong> nh\u01b0 Doji, Hammer, Engulfing\u2026 t\u1ea1i v\u00f9ng ch\u1ea1m d\u1ea3i tr\u00ean\/d\u01b0\u1edbi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Bollinger Bands<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u1ec5 hi\u1ec3u, d\u1ec5 s\u1eed d\u1ee5ng.<\/li>\n\n\n\n<li>\u00c1p d\u1ee5ng cho nhi\u1ec1u th\u1ecb tr\u01b0\u1eddng: ch\u1ee9ng kho\u00e1n, forex, crypto\u2026<\/li>\n\n\n\n<li>Gi\u00fap nh\u1eadn bi\u1ebft s\u1edbm s\u1ef1 thay \u0111\u1ed5i xu h\u01b0\u1edbng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u1ec5 g\u00e2y <strong>nhi\u1ec5u t\u00edn hi\u1ec7u<\/strong> trong th\u1ecb tr\u01b0\u1eddng sideway.<\/li>\n\n\n\n<li>Kh\u00f4ng cung c\u1ea5p t\u00edn hi\u1ec7u mua\/b\u00e1n r\u00f5 r\u00e0ng, c\u1ea7n k\u1ebft h\u1ee3p th\u00eam c\u00f4ng c\u1ee5 kh\u00e1c.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. So s\u00e1nh Bollinger Bands v\u1edbi c\u00e1c ch\u1ec9 b\u00e1o kh\u00e1c<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ch\u1ec9 b\u00e1o<\/th><th>M\u1ee5c \u0111\u00edch ch\u00ednh<\/th><th>T\u00edn hi\u1ec7u qu\u00e1 mua\/qu\u00e1 b\u00e1n<\/th><\/tr><\/thead><tbody><tr><td>Bollinger Bands<\/td><td>Bi\u1ebfn \u0111\u1ed9ng, breakout<\/td><td>C\u00f3<\/td><\/tr><tr><td>RSI (Relative Strength Index)<\/td><td>S\u1ee9c m\u1ea1nh xu h\u01b0\u1edbng<\/td><td>R\u00f5 r\u00e0ng<\/td><\/tr><tr><td>MACD<\/td><td>X\u00e1c nh\u1eadn xu h\u01b0\u1edbng v\u00e0 t\u00edn hi\u1ec7u mua b\u00e1n<\/td><td>Kh\u00f4ng r\u00f5 r\u00e0ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">6. K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p><strong>Bollinger Bands<\/strong> l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd gi\u00fap trader hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 bi\u1ebfn \u0111\u1ed9ng gi\u00e1 v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m v\u00e0o\/ra ti\u1ec1m n\u0103ng. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao, n\u00ean <strong>k\u1ebft h\u1ee3p Bollinger Bands v\u1edbi c\u00e1c ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt kh\u00e1c<\/strong> v\u00e0 ph\u00e2n t\u00edch theo khung th\u1eddi gian ph\u00f9 h\u1ee3p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bollinger Bands (D\u1ea3i Bollinger) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn gi\u00fap nh\u00e0 \u0111\u1ea7u t\u01b0 nh\u1eadn bi\u1ebft v\u00f9ng gi\u00e1 qu\u00e1 mua, qu\u00e1 b\u00e1n v\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng<\/p>\n","protected":false},"author":1,"featured_media":18418,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[166],"tags":[1865,1432,1866,281],"class_list":["post-18413","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-trade","tag-bollinger-bands","tag-cach-su-dung","tag-dai-bollinger","tag-phan-tich-ky-thuat"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bollinger Bands l\u00e0 g\u00ec? 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