{"id":1191,"date":"2025-06-16T10:56:29","date_gmt":"2025-06-16T10:56:29","guid":{"rendered":"https:\/\/blog.ngocha.biz\/?p=1191"},"modified":"2026-05-27T18:23:20","modified_gmt":"2026-05-27T18:23:20","slug":"dau-tu-chung-khoan-p11-kenh-bollinger-va-keltner","status":"publish","type":"post","link":"https:\/\/blog.ngocha.biz\/?p=1191","title":{"rendered":"\u0110\u1ea7u t\u01b0 ch\u1ee9ng kho\u00e1n (P11: K\u00eanh Bollinger v\u00e0 Keltner)"},"content":{"rendered":"<p>Cho t\u1edbi th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i ta \u0111\u00e3 nghi\u00ean c\u1ee9u t\u1edbi hai c\u00f4ng c\u1ee5:<\/p>\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1eddng h\u1ed7 tr\u1ee3 v\u00e0 \u0110\u01b0\u1eddng kh\u00e1ng c\u1ef1<\/li>\n<li>\u0110\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng MA<\/li>\n<\/ul>\n<p>M\u1ed9t bi\u1ebfn th\u1ebf sinh ra t\u1eeb MA l\u00e0 hai k\u00eanh r\u1ea5t hay s\u1eed d\u1ee5ng l\u00e0 Bollinger v\u00e0 Keltner<\/p>\n<p><strong>Bollinger Band<\/strong><\/p>\n<p>N\u00f3 bao g\u1ed3m 3 \u0111\u01b0\u1eddng. \u0110\u01b0\u1eddng trung t\u00e2m l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n MA v\u1edbi m\u1ed9t chi\u1ec1u d\u00e0i nh\u1ea5t \u0111\u1ecbnh, m\u1eb7c \u0111\u1ecbnh l\u00e0 20 phi\u00ean. \u0110\u01b0\u1eddng tr\u00ean l\u00e0 c\u1ed9ng m\u1ed9t b\u1ed9i s\u1ed1 c\u1ee7a \u0111\u1ed9 l\u1ec7ch chu\u1ea9n v\u00e0o \u0111\u01b0\u1eddng MA, m\u1eb7c \u0111\u1ecbnh l\u00e0 2. \u0110\u01b0\u1eddng d\u01b0\u1edbi l\u00e0 tr\u1eeb m\u1ed9t b\u1ed9i s\u1ed1 c\u1ee7a \u0111\u1ed9 l\u1ec7ch chu\u1ea9n v\u00e0o \u0111\u01b0\u1eddng MA, m\u1eb7c \u0111\u1ecbnh l\u00e0 2.<\/p>\n<p>Ph\u00eda d\u01b0\u1edbi l\u00e0 c\u1ed5 phi\u1ebfu VIX. V\u00f9ng m\u00e0u xanh l\u00e0 Bollinger Band (BB). \u0110\u01b0\u1eddng m\u00e0u \u0111en l\u00e0 MA 50.<\/p>\n<p><strong><span style=\"text-decoration: underline;\">Vix trong m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m:<\/span><\/strong><\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"375\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-25-min-1024x375.jpg\" alt=\"\" class=\"wp-image-18673\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-25-min-1024x375.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-25-min-300x110.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-25-min-768x282.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-25-min.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p><strong><span style=\"text-decoration: underline;\">Vix trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng:<\/span><\/strong><\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"364\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-min-1024x364.jpg\" alt=\"\" class=\"wp-image-18671\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-min-1024x364.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-min-300x107.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-min-768x273.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-16-6-min.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/p>\n<p><strong>Nh\u00ecn \u0111\u1ed3 th\u1ecb ta r\u00fat ra m\u1ed9t s\u1ed1 \u00fd sau:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li>Trong m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m cp th\u01b0\u1eddng xuy\u00ean \u1edf bi\u00ean d\u01b0\u1edbi ph\u00eda d\u01b0\u1edbi \u0111\u01b0\u1eddng trung t\u00e2m MA, n\u00f3 k\u00e9o d\u00e3n k\u00eanh Bollinger d\u00e3n v\u1ec1 ph\u00eda d\u01b0\u1edbi.<\/li>\n<li>Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng cp th\u01b0\u1eddng xuy\u00ean \u1edf bi\u00ean tr\u00ean ph\u00eda tr\u00ean \u0111\u01b0\u1eddng trung t\u00e2m MA, n\u00f3 k\u00e9o k\u00eanh Bollinger d\u00e3n v\u1ec1 ph\u00eda tr\u00ean.<\/li>\n<li>Khi d\u1ea3i b\u1ecb n\u1edbi r\u1ed9ng ra ph\u00eda tr\u00ean (ho\u1eb7c ph\u00eda d\u01b0\u1edbi) n\u00f3 s\u1ebd c\u00f3 xu h\u01b0\u1edbng b\u1ecb k\u00e9o ng\u01b0\u1ee3c l\u1ea1i \u0111\u01b0\u1eddng MA nh\u1edd v\u1eady k\u00eanh b\u1ecb thu h\u1eb9p l\u1ea1i.<\/li>\n<li>Khi k\u00eanh b\u1ecb thu h\u1eb9p l\u1ea1i th\u01b0\u1eddng b\u00e1o hi\u1ec7u cho m\u1ed9t pha \u0111i\u1ec1u ch\u1ec9nh. Trong m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m n\u00f3 b\u1eadt l\u00ean bi\u00ean tr\u00ean r\u1ed3i nhanh ch\u00f3ng \u0111\u1eadp v\u1ec1 l\u1ea1i bi\u00ean d\u01b0\u1edbi. Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng th\u00ec ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li>Khi cp t\u0103ng m\u1ea1nh li\u00ean t\u1ee5c th\u1ec3 hi\u1ec7n m\u1ed9t xung l\u1ef1c m\u1ea1nh nh\u01b0ng r\u1ed3i n\u00f3 s\u1ebd \u0111u\u1ed1i d\u1ea7n \u0111\u1ec3 ti\u1ebfp theo sau \u0111\u00f3 l\u00e0 m\u1ed9t pha \u0111i\u1ec1u ch\u1ec9nh m\u1ea1nh.<\/li>\n<\/ul>\n<p><strong>V\u1edbi \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y cho ta m\u1ed9t s\u1ed1 g\u1ee3i \u00fd trong giao d\u1ecbch:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li>Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng, \u0111\u1eb7t \u0111i\u1ec3m mua \u1edf ngay tr\u00ean \u0111\u01b0\u1eddng MA trung t\u00e2m v\u00ec gi\u00e1 khi gi\u1ea3m v\u1ec1 \u0111\u00e2y x\u00e1c su\u1ea5t b\u1eadt l\u00ean r\u1ea5t cao.<\/li>\n<li>Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng, k\u00eanh c\u00e0ng n\u1edbi r\u1ed9ng ra th\u00ec vi\u1ec7c mua c\u00e0ng \u1ea9n ch\u1ee9a nhi\u1ec1u r\u1ee7i ro v\u00ec n\u00f3 s\u1ebd c\u00f3 xu h\u01b0\u1edbng quay l\u1ea1i MA \u0111\u1ec3 thu h\u1eb9p k\u00eanh.<\/li>\n<li>Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng, khi gi\u00e1 xuy\u00ean qua \u0111\u01b0\u1eddng trung t\u00e2m v\u00e0 ch\u1ea1m v\u00e0o bi\u00ean ph\u00eda d\u01b0\u1edbi sau \u0111\u00f3 c\u00f3  n\u1ebfn xanh b\u1eadt l\u00ean th\u00ec mua t\u1ea1i ngay ng\u00e0y \u0111\u00f3 ho\u1eb7c sau \u0111\u00f3 x\u00e1c xu\u1ea5t n\u00f3 b\u1eadt l\u1ea1i bi\u00ean tr\u00ean r\u1ea5t cao. Th\u01b0\u1eddng th\u00ec khi m\u1ed9t cp gi\u1ea3m m\u1ea1nh nh\u01b0 v\u1eady c\u00f3 xu h\u01b0\u1edbng t\u0103ng m\u1ea1nh tr\u1edf l\u1ea1i.<\/li>\n<li>M\u1ed9t cp t\u0103ng m\u1ea1nh m\u1ebd li\u00ean t\u1ee5c \u00e9p d\u1ea3i tr\u00ean (ho\u1eb7c d\u01b0\u1edbi) trong m\u1ed9t kho\u1ea3ng th\u1eddi gian m\u00e0 kh\u00f4ng c\u00f3 \u0111i\u1ec1u ch\u1ec9nh th\u00ec r\u1ea5t kh\u00f3 mua.<\/li>\n<\/ul>\n<p>Ph\u00eda d\u01b0\u1edbi l\u00e0 \u0111\u1ed3 th\u1ecb ng\u00e0y c\u1ee7a VIC n\u00f3 li\u00ean t\u1ee5c t\u0103ng k\u00e9o d\u00e3n bi\u00ean ph\u00eda tr\u00ean r\u1ea5t \u00edt l\u1ea7n n\u00f3 quay l\u1ea1i \u0111\u01b0\u1eddng trung t\u00e2m v\u00ec v\u1eady r\u1ea5t \u00edt n\u0111t d\u00e1m mua<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"422\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-min-1024x422.jpg\" alt=\"\" class=\"wp-image-18674\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-min-1024x422.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-min-300x124.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-min-768x316.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-min.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p>Nh\u00ecn tr\u00ean \u0111\u1ed3 th\u1ecb tu\u1ea7n th\u00ec c\u00e0ng th\u1ea5y r\u00f5; n\u00f3 g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 tu\u1ea7n n\u00e0o gi\u1ea3m \u0111i\u1ec3m. Tuy nhi\u00ean hi\u1ec7n n\u00f3 \u0111\u00e3 c\u00f3 2 tu\u1ea7n gi\u1ea3m \u0111i\u1ec3m khi g\u1eb7p gi\u00e1 100k. CP Vic t\u00f4i ch\u1ec9 l\u1ea5y ra l\u00e0m v\u00ed d\u1ee5 v\u00ec ch\u1eb3ng m\u1ea5y n\u0111t nh\u1ecf l\u1ebb n\u00e0o n\u1eafm gi\u1eef VIC. N\u00f3 g\u1ea7n nh\u01b0 \u0111\u1ee9ng y\u00ean c\u1ea3 n\u0103m tr\u1eddi v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c m\u1ec7nh danh l\u00e0 cp l\u00e1i th\u1ecb tr\u01b0\u1eddng n\u00ean khi n\u00f3 t\u0103ng kh\u00f4ng m\u1ea5y ai c\u00f3 cp n\u00e0y; l\u00fac n\u00f3 t\u0103ng th\u00ec kh\u00f4ng ai d\u00e1m mua.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"295\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-tuan-1024x295.jpg\" alt=\"\" class=\"wp-image-18675\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-tuan-1024x295.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-tuan-300x86.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-tuan-768x221.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vic-tuan.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p><strong>C\u1ed5 phi\u1ebfu VND: <\/strong><\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"419\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vnd-min-1024x419.jpg\" alt=\"\" class=\"wp-image-18676\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vnd-min-1024x419.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vnd-min-300x123.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vnd-min-768x314.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vnd-min.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p>Trong m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m khi gi\u00e1 ch\u1ea1m v\u00e0o bi\u00ean d\u01b0\u1edbi, \u0111\u00e2y l\u00e0 \u0111i\u1ec3m r\u1ea5t nh\u1eady c\u1ea3m, n\u00f3 c\u00f3 th\u1ec3 \u0111\u1eadp l\u1ea1i ph\u00eda tr\u00ean ho\u1eb7c ti\u1ebfp t\u1ee5c gi\u1ea3m k\u00e9o d\u00e3n k\u00eanh. V\u00ec v\u1eady n\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t \u0111i\u1ec3m c\u1eaft l\u1ed7 m\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec3m mua v\u00e0o. N\u00f3i chung ta kh\u00f4ng n\u00ean giao d\u1ecbch c\u00e1c cp trong m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m v\u00ec khi n\u00f3 gi\u1ea3m ch\u1eb3ng bi\u1ebft \u0111\u00e2u l\u00e0 \u0111\u00e1y.<\/p>\n<p>Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng th\u00ec ng\u01b0\u1ee3c l\u1ea1i khi gi\u00e1 ch\u1ea1m v\u00e0o bi\u00ean tr\u00ean c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u cp \u0111ang c\u00f3 xung l\u1ef1c m\u1ea1nh v\u00ec v\u1eady c\u00f3 th\u1ec3 mua v\u00e0o v\u00ec kh\u1ea3 n\u0103ng khi n\u00f3 quay l\u1ea1i \u0111\u01b0\u1eddng trung t\u00e2m th\u00ec gi\u00e1 l\u00fac n\u00e0y \u0111\u00e3 cao h\u01a1n nhi\u1ec1u so v\u1edbi mua t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3.<\/p>\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u01b0\u1eddng h\u1ed7 tr\u1ee3, \u0111i\u1ec3m c\u1eaft l\u1ed7 khi quy\u1ebft \u0111\u1ecbnh mua s\u1ebd l\u00e0 \u0111i\u1ec3m ngay d\u01b0\u1edbi bi\u00ean d\u01b0\u1edbi t\u1eeb 1 t\u1edbi 3% (V\u1edbi cp \u0111ang trong xu h\u01b0\u1edbng t\u0103ng)<\/p>\n<p><strong>Keltner Channels<\/strong><\/p>\n<p>K\u00eanh Keltner c\u00f3 h\u00ecnh d\u1ea1ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 k\u00eanh Bollinger nh\u01b0ng \u0111\u01b0\u1eddng trung t\u00e2m c\u1ee7a n\u00f3 s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng EMA. \u0110\u01b0\u1eddng MA hay SMA l\u00e0 \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u01a1n gi\u1ea3n b\u1eb1ng c\u00e1ch l\u1ea5y t\u1ed5ng gi\u00e1 tr\u1ecb 20 phi\u00ean chia cho 20. C\u00f2n EMA l\u00e0 trung b\u00ecnh \u0111\u1ed9ng h\u00e0m m\u0169. Bi\u00ean tr\u00ean v\u00e0 bi\u00ean d\u01b0\u01a1i t\u01b0\u01a1ng t\u1ef1 nh\u01b0 k\u00eanh Bollinger th\u01b0\u1eddng l\u1ea5y b\u1ed9i s\u1ed1 2:<\/p>\n<p>Ph\u00eda d\u01b0\u1edbi v\u1eabn l\u00e0 cp VIX nh\u01b0ng d\u00f9ng k\u00eanh Kelner 20:2: Trung b\u00ecnh 20 phi\u00ean v\u1edbi b\u1ed9i s\u1ed1 l\u00e0 2<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"269\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-k-min-1024x269.jpg\" alt=\"\" class=\"wp-image-18677\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-k-min-1024x269.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-k-min-300x79.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-k-min-768x202.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/vix-k-min.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p>Ta th\u1ea5y l\u00e0 c\u00f3 v\u1ebb nh\u01b0 n\u00f3 kh\u00f4ng s\u00e1t \u0111\u01b0\u1ee3c nh\u01b0 k\u00eanh Bollinger. Trong t\u00ecnh hu\u1ed1ng n\u00e0y s\u1eed d\u1ee5ng k\u00eanh Bollinger chu\u1ea9n x\u00e1c h\u01a1n. Tuy nhi\u00ean c\u0169ng s\u1ebd c\u00f3 cp s\u1eed d\u1ee5ng k\u00eanh Keltner l\u1ea1i chu\u1ea9n x\u00e1c h\u01a1n v\u00ec v\u1eady b\u1ea1n c\u00f3 th\u1ec3 th\u1eed hai k\u00eanh n\u00e0y cho cp m\u00ecnh quan t\u00e2m \u0111\u1ec3 l\u1ef1a ra k\u00eanh ph\u00f9 h\u1ee3p.<\/p>\n<p>\u0110\u1ed3 th\u1ecb d\u01b0\u1edbi l\u00e0 c\u1ee7a HPG trong \u0111\u00f3 k\u00eanh n\u00e9t xanh l\u00e0 Bollinger v\u00e0 k\u00eanh n\u00e9t \u0111\u1ecf l\u00e0 Keltner. K\u00eanh Keltner s\u00e1t h\u01a1n mang l\u1ea1i nhi\u1ec1u th\u00f4ng tin h\u01a1n so v\u1edbi Bollinger.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"335\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/hpg-k-1024x335.jpg\" alt=\"\" class=\"wp-image-18678\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/hpg-k-1024x335.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/hpg-k-300x98.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/hpg-k-768x251.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/hpg-k.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p>M\u1ed9t m\u00ecnh k\u00eanh kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ea5t c\u1ea3 m\u00e0 c\u00f2n ph\u1ea3i xem th\u00eam c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c. Tuy nhi\u00ean m\u1eb7c d\u00f9 ch\u1ec9 b\u00e1o nhi\u1ec1u nh\u01b0ng m\u1ed7i cp l\u1ea1i ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ecbnh v\u1edbi m\u1ed9t ch\u1ec9 b\u00e1o n\u00e0o \u0111\u00f3. Kh\u00f4ng nh\u1ea5t thi\u1ebft cp n\u00e0o b\u1ea1n c\u0169ng l\u00f4i h\u1ebft c\u00e1c k\u1ef9 thu\u1eadt b\u1ea1n bi\u1ebft ra \u0111\u1ec3 ph\u00e2n t\u00edch v\u00ec l\u00e0m th\u1ebf r\u1ea5t d\u1ec5 nhi\u1ec5u lo\u1ea1n.<\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<p class=\"has-vivid-purple-color has-text-color has-link-color wp-elements-0bf991aa00f878a10c8f35334cb017a8\"><strong>K\u00eanh Bollinger v\u00e0 Bi\u1ec3u \u0111\u1ed3 n\u1ebfn Heikin Ashi<\/strong><\/p>\n<p>M\u1eb7c \u0111\u1ecbnh khi ch\u00fang ta m\u1edf m\u1ed9t bi\u1ec3u \u0111\u1ed3 k\u1ef9 thu\u1eadt th\u00ec m\u1eb7c \u0111\u1ecbnh l\u00e0 bi\u1ec3u \u0111\u1ed3 n\u1ebfn nh\u1eadt trong \u0111\u00f3 n\u1ebfn \u0111\u1ecf c\u00f3 ngh\u0129a l\u00e0 gi\u00e1 m\u1edf c\u1eeda cao h\u01a1n gi\u00e1 \u0111\u00f3ng c\u1eeda (gi\u00e1 m\u1edf c\u1eeda \u1edf ph\u00eda tr\u00ean th\u00e2n n\u1ebfn), n\u1ebfn xanh l\u00e0 gi\u00e1 m\u1edf c\u1eeda th\u1ea5p h\u01a1n gi\u00e1 \u0111\u00f3ng c\u1eeda (gi\u00e1 m\u1edf c\u1eeda l\u00e0 ph\u1ea7n d\u01b0\u1edbi c\u1ee7a th\u00e2n n\u1ebfn).<\/p>\n<p>C\u00f3 m\u1ed9t c\u00e1ch bi\u1ec3u th\u1ecb kh\u00e1c r\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng c\u00f9ng v\u1edbi k\u00eanh BB l\u00e0 n\u1ebfn Heikin Ashi. Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng, n\u1ebfn s\u1ebd l\u00e0 m\u00e0u xanh v\u00e0 m\u1ecdc r\u00e2u \u1edf ph\u00eda tr\u00ean trong khi trong m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m th\u00ec n\u1ebfn m\u00e0u \u0111\u1ecf v\u00e0 r\u00e2u m\u1ecdc ph\u00eda d\u01b0\u1edbi.<\/p>\n<p>Bi\u1ec3u \u0111\u1ed3 n\u1ebfn  Heikin Ashi l\u00e0 <\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"308\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-heikin-min-1024x308.jpg\" alt=\"\" class=\"wp-image-19118\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-heikin-min-1024x308.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-heikin-min-300x90.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-heikin-min-768x231.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-heikin-min.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p>Bi\u1ec3u \u0111\u1ed3 n\u1ebfn nh\u1eadt<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"294\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-nen-nhat-min-1024x294.jpg\" alt=\"\" class=\"wp-image-19119\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-nen-nhat-min-1024x294.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-nen-nhat-min-300x86.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-nen-nhat-min-768x220.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/pvs-nen-nhat-min.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p>Ch\u00fang ta th\u1ea5y c\u00f9ng m\u1ed9t ngu\u1ed3n th\u00f4ng tin nh\u01b0ng khi hi\u1ec3n th\u1ecb \u1edf bi\u1ec3u \u0111\u1ed3 Heikin Ashi d\u1ec5 nh\u00ecn h\u01a1n h\u1eb3n. K\u1ebft h\u1ee3p v\u1edbi ch\u1ec9 b\u00e1o Bollinger Band ta th\u1ea5y \u0111\u01b0\u1eddng gi\u00e1 ph\u1ea3n \u1ee9ng r\u1ea5t r\u00f5 r\u00e0ng khi \u0111\u1ee5ng v\u00e0o trung t\u00e2m c\u1ee7a BB. Khi ch\u1ea1m v\u00e0o ma20 c\u1ee7a BB n\u00f3 c\u00f3 xu h\u01b0\u1edbng b\u1eadt l\u00ean; n\u1ebfu kh\u00f4ng b\u1eadt l\u00ean th\u00ec n\u00f3 s\u1ebd \u0111i v\u1ec1 d\u1ea3i d\u01b0\u1edbi r\u1ed3i b\u1eadt l\u00ean.<\/p>\n<p>Khi xu\u1ea5t hi\u1ec7n n\u1ebfn xanh li\u00ean ti\u1ebfp m\u1ecdc r\u00e2u ph\u00eda tr\u00ean ta c\u1ea7n gi\u1eef ch\u1eb7t h\u00e0ng. Ch\u00fang ta b\u00e1n khi n\u00f3 \u0111i qua trung t\u00e2m BB m\u00e0 kh\u00f4ng b\u1eadt l\u00ean. D\u1ea5u hi\u1ec7u r\u1ea5t r\u00f5 r\u00e0ng n\u00f3 s\u1ebd kh\u00f4ng b\u1eadt l\u00ean l\u00e0 khi n\u1ebfn \u0111\u1ecf m\u1ecdc r\u00e2u ph\u00eda d\u01b0\u1edbi li\u00ean ti\u1ebfp th\u1ec3 hi\u1ec7n xu h\u01b0\u1edbng r\u1ea5t m\u1ea1nh.<\/p>\n<p>Ph\u00eda d\u01b0\u1edbi l\u00e0 PDR ch\u00fang ta c\u0169ng th\u1ea5y r\u00f5 c\u00e1ch n\u00f3 ph\u1ea3n \u1ee9ng v\u1edbi \u0111\u01b0\u1eddng trung t\u00e2m c\u1ee7a Bollinger Band. Th\u1eadm ch\u00ed kh\u00f4ng c\u1ea7n nh\u00ecn kh\u1ed1i l\u01b0\u1ee3ng ta c\u0169ng c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u00fang \u0111\u01b0\u1ee3c ph\u1ea7n n\u00e0o h\u01b0\u1edbng \u0111i c\u1ee7a gi\u00e1.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"330\" src=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/pdr-heikin-ashijpg-min-1024x330.jpg\" alt=\"\" class=\"wp-image-19120\" srcset=\"https:\/\/chienluocsong.com\/wp-content\/uploads\/pdr-heikin-ashijpg-min-1024x330.jpg 1024w, https:\/\/chienluocsong.com\/wp-content\/uploads\/pdr-heikin-ashijpg-min-300x97.jpg 300w, https:\/\/chienluocsong.com\/wp-content\/uploads\/pdr-heikin-ashijpg-min-768x248.jpg 768w, https:\/\/chienluocsong.com\/wp-content\/uploads\/pdr-heikin-ashijpg-min.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/p>\n<hr>\n<p><strong>Ngu\u1ed3n:<\/strong> <a href=\"https:\/\/chienluocsong.com\/dau-tu-chung-khoan-p11-kenh-bollinger-va-keltner\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u0110\u1ea7u t\u01b0 ch\u1ee9ng kho\u00e1n (P11: K\u00eanh Bollinger v\u00e0 Keltner) \u2014 chienluocsong.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source: https:\/\/chienluocsong.com\/dau-tu-chung-khoan-p11-kenh-bollinger-va-keltner\/<\/p>\n","protected":false},"author":1,"featured_media":1192,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1191","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chienluocsong"],"_links":{"self":[{"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts\/1191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1191"}],"version-history":[{"count":1,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts\/1191\/revisions"}],"predecessor-version":[{"id":1483,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts\/1191\/revisions\/1483"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/media\/1192"}],"wp:attachment":[{"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}