{"id":1118,"date":"2025-11-06T16:02:17","date_gmt":"2025-11-06T16:02:17","guid":{"rendered":"https:\/\/blog.ngocha.biz\/?p=1118"},"modified":"2026-05-27T18:22:29","modified_gmt":"2026-05-27T18:22:29","slug":"bollinger-band-va-chi-bao-a-d","status":"publish","type":"post","link":"https:\/\/blog.ngocha.biz\/?p=1118","title":{"rendered":"Bollinger Band v\u00e0 ch\u1ec9 b\u00e1o A\/D"},"content":{"rendered":"
\n \n<\/presto-player>\n<\/figure>\n<\/p><\/div>\n

Ch\u1ec9 b\u00e1o Ph\u00e2n ph\u1ed1i\/T\u00edch l\u0169y (Accumulation\/Distribution) l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o d\u00f2ng ti\u1ec1n; n\u00f3 k\u1ebft h\u1ee3p gi\u1eefa gi\u00e1 v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng nh\u1eb1m x\u00e1c \u0111\u1ecbnh m\u1ed9t xu h\u01b0\u1edbng l\u00e0 m\u1ea1nh hay y\u1ebfu.<\/p>\n

C\u00e1ch t\u00ednh c\u1ee7a ch\u1ec9 s\u1ed1 A\/D<\/strong><\/p>\n

B\u01b0\u1edbc 1: T\u00ednh h\u1ec7 s\u1ed1 nh\u00e2n d\u00f2ng ti\u1ec1n<\/strong><\/p>\n

\"\"<\/figure>\n

V\u00ed d\u1ee5 v\u1edbi c\u1ed5 phi\u1ebfu CEO ng\u00e0y 6\/11\/25 c\u00f3 gi\u00e1 cao nh\u00e2t = 25.300\u0111; gi\u00e1 th\u1ea5p nh\u1ea5t = 23.700\u0111; gi\u00e1 \u0111\u00f3ng c\u1eeda = 24.500\u0111<\/p>\n

MFM = ((24.5 – 23.7) – (25.3-24.5))\/(25.3-23.7) = (0.8 – 0.8)\/1.6 =0<\/p>\n

Do trong v\u00ed d\u1ee5 n\u00e0y gi\u00e1 \u0111\u00f3ng c\u1eeda n\u1eb1m ch\u00ednh gi\u1eefa gi\u00e1 cao nh\u00e2t v\u00e0 th\u1ea5p nh\u1ea5t n\u00ean t\u1eed s\u1ed1 b\u1eb1ng 0 d\u1eabn t\u1edbi MFM=0. MFM = 1<\/strong> khi gi\u00e1 \u0111\u00f3ng c\u1eeda b\u1eb1ng gi\u00e1 cao nh\u00e2t v\u00e0 MFM = -1<\/strong> khi gi\u00e1 \u0111\u00f3ng c\u1eeda b\u1eb1ng gi\u00e1 th\u1ea5p nh\u1ea5t. Nh\u01b0 v\u1eady MFM s\u1ebd dao \u0111\u1ed9ng trong kho\u1ea3ng t\u1eeb -1 t\u1edbi 1.<\/p>\n

MFM l\u00e0 s\u1ed1 d\u01b0\u01a1ng khi gi\u00e1 \u0111\u00f3ng c\u1eeda n\u1eb1m ch\u00ednh gi\u1eefa t\u1edbi gi\u00e1 cao nh\u1ea5t v\u00e0 l\u00e0 s\u1ed1 \u00e2m khi n\u00f3 n\u1eb1m t\u1eeb gi\u00e1 \u0111\u00f3ng c\u1eeda t\u1edbi gi\u00e1 th\u1ea5p nh\u1ea5t.<\/p>\n

Hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u1ecbnh t\u00ednh l\u00e0 sau m\u1ed9t ng\u00e0y chi\u1ebfn \u0111\u1ea5u c\u1ee7a phe mua v\u00e0 phe b\u00e1n th\u00ec ai l\u00e0 ng\u01b0\u1eddi th\u1eafng cu\u1ed9c. Phe mua th\u1eafng cu\u1ed9c khi gi\u00e1 \u0111\u00f3ng c\u1eeda n\u1eb1m tr\u00ean trung b\u00ecnh; phe b\u00e1n th\u1eafng cu\u1ed9c khi gi\u00e1 \u0111\u00f3ng c\u1eeda n\u1eb1m d\u01b0\u1edbi trung b\u00ecnh.<\/p>\n

B\u01b0\u1edbc 2: T\u00ednh d\u00f2ng ti\u1ec1n c\u1ee7a phi\u00ean<\/strong><\/p>\n

MFV = MFM x Volume <\/p>\n

CEO h\u00f4m nay c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch l\u00e0 17.887.800 <\/p>\n

MFV = 0 x 17.887.800 = 0<\/p>\n

V\u1edbi c\u00f4ng th\u1ee9c n\u00e0y ta c\u00f3 th\u1ec3 th\u1ea5y:<\/p>\n

    \n
  • N\u1ebfu MFM l\u00e0 s\u1ed1 \u00e2m th\u00ec gi\u00e1 tr\u1ecb MFV c\u1ee7a ng\u00e0y h\u00f4m nay s\u1ebd l\u00e0 s\u1ed1 \u00e2m. <\/li>\n
  • N\u1ebfu MFM l\u00e0 s\u1ed1 d\u01b0\u01a1ng th\u00ec gi\u00e1 tr\u1ecb MFV c\u1ee7a ng\u00e0y h\u00f4m nay s\u1ebd l\u00e0 s\u1ed1 d\u01b0\u01a1ng.<\/li>\n<\/ul>\n

    B\u01b0\u1edbc 3: Cho v\u00e0o \u0111\u1ed3 th\u1ecb<\/strong><\/p>\n

    A\/D c\u1ee7a ng\u00e0y h\u00f4m nay = A\/D c\u1ee7a ng\u00e0y h\u00f4m qua MFV. <\/p>\n

    V\u00ec MFV c\u1ee7a CEO = 0 n\u00ean A\/D c\u1ee7a ng\u00e0y h\u00f4m nay b\u1eb1ng A\/D c\u1ee7a ng\u00e0y h\u00f4m qua; \u0111\u01b0\u1eddng \u0111i ngang.<\/p>\n<\/p>\n

    \u0110\u01b0\u1eddng A\/D s\u1ebd h\u01b0\u1edbng xu\u1ed1ng khi MFM l\u00e0 s\u1ed1 \u00e2m. MFM l\u00e0 s\u1ed1 \u00e2m khi gi\u00e1 \u0111\u00f3ng c\u1eeda n\u1eb1m d\u01b0\u1edbi trung b\u00ecnh c\u1ee7a gi\u00e1 cao nh\u1ea5t v\u00e0 th\u1ea5p nh\u1ea5t trong phi\u00ean. Bi\u00ean \u0111\u1ed9 h\u01b0\u1edbng xu\u1ed1ng ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng.<\/p>\n

    \u0110\u01b0\u1eddng \/AD s\u1ebd h\u01b0\u1edbng l\u00ean khi MFM l\u00e0 s\u1ed1 d\u01b0\u01a1ng. MFM l\u00e0 s\u1ed1 d\u01b0\u01a1ng khi gi\u00e1 \u0111\u00f3ng c\u1eeda n\u1eb1m tr\u00ean trung b\u00ecnh c\u1ee7a gi\u00e1 cao nh\u1ea5t v\u00e0 th\u1ea5p nh\u1ea5t trong phi\u00ean. Bi\u00ean \u0111\u1ed9 h\u01b0\u1edbng xu\u1ed1ng ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng.<\/p>\n

    S\u1eed d\u1ee5ng ri\u00eang l\u1ebb A\/D<\/strong><\/p>\n

    1. H\u01b0\u1edbng c\u1ee7a A\/D<\/strong><\/p>\n

    Khi A\/D t\u0103ng d\u00f2ng ti\u1ec1n \u0111ang v\u00e0o<\/p>\n

    Khi A\/D gi\u1ea3m d\u00f2ng ti\u1ec1n \u0111ang ra<\/p>\n

    Khi gi\u00e1 t\u0103ng k\u00e8m theo A\/D t\u0103ng th\u00ec th\u1ec3 hi\u1ec7n n\u1ed7 l\u1ef1c \u0111i c\u00f9ng v\u1edbi k\u1ebft qu\u1ea3. Gi\u00e1 t\u0103ng th\u1eadt. Ng\u01b0\u1ee3c l\u1ea1i khi gi\u00e1 gi\u1ea3m k\u00e8m theo A\/D gi\u1ea3m th\u00ec c\u0169ng l\u00e0 gi\u1ea3m b\u1ec1n v\u1eefng.<\/p>\n

    \"\"<\/figure>\n

    Khi gi\u00e1 t\u0103ng nh\u01b0ng A\/D \u0111i ngang ho\u1eb7c gi\u1ea3m th\u00ec d\u1ea5u hi\u1ec7u c\u1ee7a \u0111\u1ea3o chi\u1ec1u khi ti\u1ec1n v\u00e0o \u00edt nh\u01b0ng cp v\u1eabn t\u0103ng.<\/p>\n

    2. Ph\u00e2n k\u1ef3 gi\u00fap x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m \u0111\u1ea3o chi\u1ec1u<\/strong><\/p>\n

      \n
    • Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng khi gi\u00e1 t\u1ea1o \u0111\u1ec9nh cao h\u01a1n nh\u01b0ng A\/D t\u1ea1o \u0111\u1ec9nh th\u1ea5p h\u01a1n: C\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea3o chi\u1ec1u t\u1eeb t\u0103ng th\u00e0nh gi\u1ea3m.<\/li>\n
    • Trong m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m khi gi\u00e1 t\u1ea1o \u0111\u00e1y th\u1ea5p h\u01a1n nh\u01b0ng A\/D t\u1ea1o \u0111\u00e1y cao h\u01a1n: C\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea3o chi\u1ec1u t\u1eeb gi\u1ea3m th\u00e0nh t\u0103ng<\/li>\n<\/ul>\n

      Bollinger Band k\u1ebft h\u1ee3p v\u1edbi A\/D<\/strong><\/p>\n

      Trong entry v\u1ec1 Bollinger Band ta bi\u1ebft r\u1eb1ng khi d\u1ea3i BB b\u1ecb co h\u1eb9p l\u1ea1i th\u00ec l\u00e0 d\u1ea5u hi\u1ec7u cho m\u1ed9t s\u1ef1 \u0111\u1ed9t bi\u1ebfn n\u00e0o \u0111\u00f3 trong t\u01b0\u01a1ng lai. <\/p>\n

      T\u1ea1i th\u1eddi \u0111i\u1ec3m A, CTD li\u00ean t\u1ee5c \u1edf ph\u00eda tr\u00ean MA20 v\u00e0 k\u1ef3 v\u1ecdng cho m\u1ed9t c\u00fa break s\u1eafp t\u1edbi. Nh\u00ecn \u0111\u01b0\u1eddng A\/D ta th\u1ea5y n\u00f3 li\u00ean t\u1ee5c h\u01b0\u1edbng xu\u1ed1ng (m\u00e0 n\u1ebfu ch\u1ec9 nh\u00ecn bi\u1ec3u \u0111\u1ed3 Volume s\u1ebd kh\u00f3 nh\u1eadn ra). CP \u0111\u00e3 c\u00f3 m\u1ed9t c\u00fa break xu\u1ed1ng \u1ee7ng h\u1ed9 cho ch\u1ec9 b\u00e1o A\/D \u0111ang h\u01b0\u1edbng xu\u1ed1ng. N\u1ebfu c\u00f9ng t\u00ecnh hu\u1ed1ng co h\u1eb9p n\u00e0y m\u00e0 A\/D h\u01b0\u1edbng l\u00ean th\u00ec n\u00f3 l\u1ea1i c\u1ee7ng c\u1ed1 cho kh\u1ea3 n\u0103ng cp break l\u00ean.<\/p>\n

      \"\"<\/figure>\n

      Ch\u00fang ta c\u0169ng r\u00e2t hay b\u1eaft g\u1eb7p tr\u01b0\u1edbc m\u1ed9t c\u00fa break l\u00ean th\u01b0\u1eddng c\u00f3 m\u1ed9t c\u00fa r\u0169 b\u1ecf tr\u01b0\u1edbc \u0111\u00f3. Tr\u01b0\u1edbc khi cp ph\u00e1 v\u1ee1 bi\u00ean tr\u00ean gi\u00e1 th\u01b0\u1eddng \u0111\u1ea9y v\u1ec1 bi\u00ean d\u01b0\u1edbi. Ng\u01b0\u1ee3c l\u1ea1i c\u0169ng v\u1eady tr\u01b0\u1edbc khi \u0111\u00e2m th\u1ee7ng bi\u00ean d\u01b0\u1edbi c\u1ee7a BB gi\u00e1 c\u0169ng c\u00f3 th\u1ec3 \u0111\u1eadp v\u00e0o bi\u00ean tr\u00ean..<\/p>\n

      T\u1ea1i sao gi\u00e1 \u0111\u00f3ng c\u1eeda th\u01b0\u1eddng quan tr\u1ecdng h\u01a1n gi\u00e1 m\u1edf c\u1eeda?<\/p>\n

        \n
      • M\u1ed9t N\u0110T c\u00f3 k\u1ebf ho\u1ea1ch b\u00e1n m\u1ed9t l\u01b0\u1ee3ng cp ng\u00e0y h\u00f4m nay. Anh ta theo d\u00f5i t\u1eeb l\u00fac m\u1edf c\u1eeda \u0111\u1ec3 k\u1ef3 v\u1ecdng c\u00f3 th\u1ec3 b\u00e1n \u0111\u01b0\u1ee3c cp v\u1edbi gi\u00e1 m\u1ee5c ti\u00eau. C\u00e0ng v\u1ec1 cu\u1ed1i phi\u00ean anh ta c\u00e0ng s\u1ed1t ru\u1ed9t v\u00e0 mu\u1ed1n mua cp v\u00ec anh cho r\u1eb1ng ng\u00e0y mai gi\u00e1 c\u00f3 th\u1ec3 c\u00f2n gi\u1ea3m ti\u1ebfp; anh ta s\u1ebd kh\u00f4ng mua \u0111\u01b0\u1ee3c cp nh\u01b0 gi\u00e1 c\u1ee7a ng\u00e0y h\u00f4m nay. T\u01b0\u01a1ng t\u1ef1 m\u1ed9t n\u0111t mu\u1ed1n mua c\u0169ng v\u1eady; anh ta c\u0169ng theo d\u00f5i gi\u00e1 cp; c\u00e0ng t\u1edbi cu\u1ed1i phi\u00ean anh ta c\u00e0ng mu\u1ed1n mua. V\u00ec v\u1eady nh\u1eefng ph\u00fat cu\u1ed1i phi\u00ean s\u1ef1 tranh \u0111\u1ea5u c\u1ee7a phe mua v\u00e0 b\u00e1n r\u1ea5t m\u1ea1nh m\u1ebd.<\/li>\n
      • M\u1ed9t cp m\u1edf c\u1eeda v\u1edbi gi\u00e1 cao; n\u1ebfu nh\u01b0 ti\u1ebfp t\u1ee5c gi\u1eef \u0111\u01b0\u1ee3c gi\u00e1 cao \u0111\u00f3 t\u1edbi cu\u1ed1i phi\u00ean ch\u1ee9ng t\u1ecf cp m\u1ea1nh. Ng\u01b0\u1ee3c l\u1ea1i m\u1ed9t cp m\u1edf c\u1eeda gia cao nh\u01b0ng kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c gi\u00e1 cao t\u1edbi cu\u1ed1i phi\u00ean s\u1ebd l\u00e0m ch\u1ec9 b\u00e1o \u0111i xu\u1ed1ng th\u1ec3 hi\u1ec7n phe b\u00e1n \u00e1p \u0111\u1ea3o.<\/li>\n
      • M\u1ed9t cp m\u1edf c\u1eeda v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng th\u00e2p nh\u01b0ng c\u00e0ng v\u1ec1 cu\u1ed1i phi\u00ean kh\u1ed1i l\u01b0\u1ee3ng c\u00e0ng cao th\u00ec l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u t\u00edch c\u1ef1c ho\u1eb7c ti\u00eau c\u1ef1c t\u00f9y thu\u1ed9c h\u01b0\u1edbng \u0111i c\u1ee7a gi\u00e1. Ng\u01b0\u1ee3c l\u1ea1i m\u1ed9t cp m\u1edf c\u1eeda v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p v\u00e0 th\u1ea5p t\u1edbi cu\u1ed1i phi\u00ean ch\u1ee9ng t\u1ecf cp y\u1ebfu.<\/li>\n<\/ul>\n

        Ch\u1ec9 b\u00e1o MFI<\/span><\/strong><\/p>\n

        \u0110\u00e2y l\u00e0 ch\u1ec9 b\u00e1o dao \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 A\/D n\u00f3 \u0111\u00f3 s\u1ee9c m\u1ea1nh c\u1ee7a d\u00f2ng ti\u1ec1n \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean bi\u1ebfn \u0111\u1ed9ng gi\u00e1 v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng trong ng\u00e0y. <\/p>\n

        B\u01b0\u1edbc 1: T\u00ednh gi\u00e1 \u0111i\u1ec3n h\u00ecnh TP<\/strong><\/p>\n

        TP = (Gi\u00e1 cao nh\u1ea5t + Gi\u00e1 th\u1ea5p nh\u1ea5t + Gi\u00e1 \u0111\u00f3ng c\u1eeda)\/3<\/p>\n

        Gi\u00e1 cao nh\u1ea5t l\u00e0 \u0111\u1ea1i di\u1ec7n cho s\u1ee9c m\u1ea1nh c\u1ee7a phe mua trong khi gi\u00e1 th\u1ea5p nh\u1ea5t \u0111\u1ea1i di\u1ec7n cho s\u1ee9c m\u1ea1nh c\u1ee7a phe b\u00e1n. Gi\u00e1 \u0111\u00f3ng c\u1eeda l\u00e0 k\u1ebft qu\u1ea3 chung cu\u1ed9c b\u00ean n\u00e0o \u0111\u00e3 th\u1eafng. N\u1ebfu gi\u00e1 \u0111\u00f3ng c\u1eeda s\u00e1t gi\u00e1 cao nh\u1ea5t l\u00e0 phe mua v\u00e0 n\u1ebfu n\u00f3 s\u00e1t gi\u00e1 th\u1ea5p nh\u1ea5t th\u00ec l\u00e0 phe b\u00e1n.<\/p>\n

        B\u01b0\u1edbc 2: T\u00ednh d\u00f2ng ti\u1ec1n<\/strong><\/p>\n

        MF = TP x Kh\u1ed1i l\u01b0\u1ee3ng<\/p>\n

        B\u01b0\u1edbc 3: X\u00e1c \u0111\u1ecbnh d\u00f2ng ti\u1ec1n d\u01b0\u01a1ng, \u00e2m<\/strong><\/p>\n

        N\u1ebfu TP h\u00f4m nay > TP h\u00f4m qua-> D\u00f2ng ti\u1ec1n d\u01b0\u01a1ng<\/p>\n

        N\u1ebfu TP h\u00f4m nay < TP h\u00f4m qua -> D\u00f2ng ti\u1ec1n \u00e2m<\/p>\n

        Sau \u0111\u00f3 c\u1ed9ng v\u00e0o d\u00f2ng ti\u1ec1n d\u01b0\u01a1ng v\u00e0 \u00e2m c\u1ee7a 13 phi\u00ean tr\u01b0\u1edbc \u0111\u00f3 th\u00e0nh m\u1ed9t con s\u1ed1. Chi\u1ec1u d\u00e0i m\u1eb7c \u0111\u1ecbnh c\u1ee7a MFI l\u00e0 14 phi\u00ean; c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh. Nh\u01b0 v\u1eady ta s\u1ebd c\u00f3 hai con s\u1ed1 t\u1ed5ng: T\u1ed5ng d\u00f2ng ti\u1ec1n d\u01b0\u01a1ng v\u00e0 T\u1ed5ng d\u00f2ng ti\u1ec1n \u00e2m<\/strong><\/p>\n

        B\u01b0\u1edbc 4: T\u00ednh t\u1ef7 l\u1ec7 d\u00f2ng ti\u1ec1n MFR v\u00e0 MFI<\/strong><\/p>\n

        \"\"<\/figure>\n

        D\u00f2ng ti\u1ec1n c\u00e2n b\u1eb1ng khi T\u1ed5ng d\u00f2ng ti\u1ec1n d\u01b0\u01a1ng = T\u1ed5ng d\u00f2ng ti\u1ec1n \u00e2m c\u00f3 ngh\u0129a l\u00e0 MFR = 1 -> MFR < 1 l\u00e0 d\u00f2ng ti\u1ec1n d\u01b0\u01a1ng nh\u1ecf h\u01a1n d\u00f2ng ti\u1ec1n \u00e2m -> B\u00ean mua m\u1ea1nh h\u01a1n b\u00ean b\u00e1n (v\u00e0 ng\u01b0\u1ee3c l\u1ea1i)<\/p>\n

        Khi MFR = 1 th\u00ec MFI = 100 – 100\/2 = 50 -> MFI = 50 l\u00e0 d\u00f2ng ti\u1ec1n c\u00e2n b\u1eb1ng -> MFI > 50 th\u00ec b\u00ean mua m\u1ea1nh h\u01a1n b\u00ean b\u00e1n v\u00e0 MFI < 50 b\u00ean mua y\u1ebfu h\u01a1n b\u00ean b\u00e1n.<\/p>\n

        Th\u00f4ng qua c\u00e1ch t\u00ednh c\u1ee7a MFI ta c\u00f3 th\u1ec3 hi\u1ec3u nh\u01b0 sau:<\/strong><\/p>\n

          \n
        • MFI s\u1ebd dao \u0111\u1ed9ng t\u1eeb 0 t\u1edbi 100. Nh\u1ecf h\u01a1n 20 l\u00e0 v\u00f9ng qu\u00e1 b\u00e1n v\u00e0 > 20 l\u00e0 v\u00f9ng qu\u00e1 mua<\/li>\n
        • Khi MFI d\u1ed1c l\u00ean l\u00e0 d\u00f2ng ti\u1ec1n \u0111ang v\u00e0o. Khi MFI d\u1ed1c xu\u1ed1ng l\u00e0 d\u00f2ng ti\u1ec1n \u0111ang ra.<\/li>\n
        • Ph\u00e2n k\u1ef3: Gi\u00e1 t\u0103ng nh\u01b0ng MFI gi\u1ea3m ho\u1eb7c gi\u00e1 gi\u1ea3m m\u00e0 MFI t\u0103ng<\/li>\n<\/ul>\n

          Nh\u01b0 v\u1eady ta th\u1ea5y A\/D v\u00e0 MFI \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb gi\u00e1 cao nh\u1ea5t, gi\u00e1 th\u1ea5p nh\u1ea5t v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng. \u0110i\u1ec3m kh\u00e1c bi\u1ec7t trong bi\u1ec3u \u0111\u1ed3 l\u00e0 MFI dao \u0111\u1ed9ng t\u1eeb 0 t\u1edbi 100 trong khi A\/D bi\u1ebfn theo kh\u1ed1i l\u01b0\u1ee3ng. A\/D v\u00ec v\u1eady kh\u00f4ng c\u00f3 v\u00f9ng qu\u00e1 mua hay qu\u00e1 b\u00e1n nh\u01b0 MFI. RSI th\u00ec kh\u00e1c, n\u00f3 ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb gi\u00e1 \u0111\u00f3ng c\u1eeda m\u1ed7i ng\u00e0y (m\u00e0 kh\u00f4ng t\u00ednh t\u1edbi bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng trong ng\u00e0y). R\u00f5 r\u00e0ng m\u1ed9t cp c\u00f9ng l\u00e0 t\u0103ng nh\u01b0ng kh\u1ed1i l\u01b0\u1ee3ng kh\u00e1c nhau l\u00e0 kh\u00e1c nhau. M\u1ed9t cp t\u0103ng k\u00e8m kh\u1ed1i l\u01b0\u1ee3ng t\u0103ng bao gi\u1edd c\u0169ng ch\u1ee9ng t\u1ecf s\u1ef1 b\u1ec1n v\u1eefng h\u01a1n m\u1ed9t cp t\u0103ng nh\u01b0ng kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p.<\/p>\n

          Ph\u00eda d\u01b0\u1edbi l\u00e0 VIX d\u01b0\u1edbi g\u00f3c nh\u00ecn c\u1ee7a ch\u1ec9 b\u00e1o Ichimoku, MACD v\u00e0 MFI: <\/p>\n

          \"\"<\/figure>\n

          D\u01b0\u1edbi g\u00f3c nh\u00ecn ch\u1ec9 b\u00e1o Bollinger band 1 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n v\u00e0 2 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n c\u00f9ng MFI. Ta c\u0169ng th\u1ea5y l\u00e0 l\u00fac l\u00ean n\u00f3 kh\u00f4ng ph\u00e1 v\u1ee1 BB1 v\u00e0 khi xu\u1ed1ng n\u00f3 c\u0169ng kh\u00f4ng th\u1ec3 ph\u00e1 v\u1ee1 BB1. Tr\u01b0\u1edbc khi gi\u1ea3m n\u00f3 c\u0169ng c\u00f3 h\u1eb9p v\u00e0 l\u00e0m c\u00fa break gi\u1ea3 l\u00ean tr\u00ean. Th\u01b0\u1eddng nh\u1eefng ng\u01b0\u1eddi c\u00f3 kinh nghi\u1ec7m h\u1ecd s\u1ebd b\u00e1n ngay khi break th\u1ea5t b\u1ea1i sau khi co h\u1eb9p.<\/p>\n

          \"\"<\/figure>\n

          Bollinger band t\u1ecf ra c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 khi n\u00f3 k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ch\u1ec9 b\u00e1o kh\u00e1c. Khi gi\u00e1 \u0111ang \u1edf bi\u00ean tr\u00ean k\u00e8m theo ch\u1ec9 b\u00e1o t\u00edch c\u1ef1c th\u00ec c\u1ee7ng c\u1ed5 cho m\u1ed9t xu h\u01b0\u1edbng ti\u1ebfp t\u1ee5c t\u0103ng. N\u1ebfu b\u00e1m d\u1ea3i tr\u00ean nh\u01b0ng ch\u1ec9 b\u00e1o y\u1ebfu d\u1ea7n ch\u1ee9ng t\u1ecf n\u00f3 \u0111\u00e3 s\u1eafp ho\u1eb7c \u0111\u00e3 t\u1edbi \u0111\u1ec9nh; c\u1ee7ng c\u1ed1 cho v\u1ecb th\u1ebf b\u00e1n.<\/p>\n

          T\u01b0\u01a1ng t\u1ef1 khi cp trong xu h\u01b0\u1edbng gi\u1ea3m m\u00e0 b\u1ea1n mu\u1ed1n b\u1eaft \u0111\u00e1y th\u00ec kh\u00f4ng th\u1ec3 b\u1eaft khi ch\u1ec9 b\u00e1o kh\u00e1c v\u1eabn ti\u00eau c\u1ef1c; n\u00f3 ph\u1ea3i chuy\u1ec3n sang t\u00edch c\u1ef1c th\u00ec m\u1edbi s\u1eafp ho\u1eb7c \u0111\u00e3 t\u1edbi \u0111\u00e1y; chu\u1ea9n b\u1ecb cho v\u1ecb th\u1ebf mua.<\/p>\n

          Vix l\u00e0 v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh cho m\u1ed9t cp si\u00eau kh\u1ecfe. N\u00f3 t\u0103ng t\u1eeb gi\u00e1 12.750\u0111 l\u00ean 37.470 \u0111\u1ed3ng ch\u1ec9 trong 34 phi\u00ean. Ch\u1eafc ch\u1ec9 c\u00f3 l\u00e1i v\u00e0 ng\u01b0\u1eddi mua r\u1ed3i kh\u00f4ng xem b\u1ea3ng m\u1edbi c\u00f3 th\u1ec3 \u0103n t\u1eeb g\u1ed1c t\u1edbi g\u1ecdn. V\u1edbi Bollingerband ta th\u1ea5y n\u00f3 b\u00e1m bi\u00ean tr\u00ean c\u1ee7a BB2 v\u00e0 kh\u00f4ng ph\u00e1 v\u1ee1 BB1 trong su\u1ed1t qu\u00e1 tr\u00ecnh t\u0103ng c\u1ee7a n\u00f3. <\/p>\n

          Khi n\u00f3 ph\u00e1 v\u1ee1 c\u0169ng l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u1ea7u ti\u00ean c\u1ee7a vi\u1ec7c cp \u0111\u00e3 c\u00f3 d\u1ea5u hi\u1ec7u t\u1ea1o \u0111\u1ec9nh. Nh\u01b0ng n\u00f3 c\u0169ng v\u1eabn \u0111i ngang 40 phi\u00ean \u0111\u1ee7 \u0111\u1ec3 ai mua th\u1ea5p ph\u00eda d\u01b0\u1edbi b\u00e1n gi\u00e1 cao; \u0111\u1ee7 \u0111\u1ec3 NDT ng\u1ee7 qu\u00ean r\u1eb1ng cp \u0111\u00e3 t\u0103ng 3 l\u1ea7n, v\u00e0 h\u1ecd ti\u1ebfp t\u1ee5c mua v\u00e0o hy v\u1ecdng r\u1eb1ng l\u1ea1i m\u1ed9t chu k\u1ef3 t\u0103ng m\u1edbi. K\u1ebft qu\u1ea3 l\u00e0 n\u0111t mua \u0111\u01b0\u1ee3c ph\u00eda d\u01b0\u1edbi c\u00f3 khi \u0111\u00e3 m\u1ea5t l\u00e3i khi mua l\u1ea1i \u1edf gi\u00e1 cao m\u00e0 t\u1edbi gi\u1edd ch\u01b0a b\u00e1n; nh\u1eefng n\u0111t l\u1ee1 con s\u00f3ng t\u0103ng ti\u1ebfc nu\u1ed1i mua v\u00e0o \u1edf v\u00f9ng ph\u00e2n ph\u1ed1i \u0111\u1ec3 r\u1ed3i \u0103n l\u1ed7 s\u1ea5p m\u1eb7t.<\/p>\n

          Nh\u00ecn l\u1ea1i c\u1ea3 qu\u00e1 tr\u00ecnh c\u1ee7a Vix ta hi\u1ec3u r\u1eb1ng n\u1ebfu ta kh\u00f4ng \u0103n \u0111\u01b0\u1ee3c l\u1ea7n n\u00e0y th\u00ec v\u1eabn s\u1ebd c\u00f3 nh\u1eefng l\u1ea7n k\u1ebf ti\u1ebfp mi\u1ec5n ch\u00fang ta h\u1ecdc h\u1ecfi \u0111\u01b0\u1ee3c kinh nghi\u1ec7m th\u00e0nh c\u00f4ng c\u0169ng nh\u01b0 th\u1ea5t b\u1ea1i c\u1ee7a qu\u00e1 kh\u1ee9. Th\u1ecb tr\u01b0\u1eddng l\u00e0 v\u1eady lu\u00f4n l\u00e0 s\u1ef1 l\u1eb7p l\u1ea1i; khi b\u1ea1n ngh\u0129 r\u1eb1ng \u0111\u00e2y l\u00e0 ph\u00e2n ph\u1ed1i ng\u01b0\u1eddi ta s\u1ebd l\u00e0m b\u1ea1n tin t\u01b0\u1edfng r\u1eb1ng \u0111\u00e2y l\u00e0 t\u00edch l\u0169y v\u00e0 khi n\u00f3 \u0111ang t\u00edch l\u0169y ng\u01b0\u1eddi ta s\u1ebd l\u00e0m b\u1ea1n tin t\u01b0\u1edfng r\u1eb1ng gi\u00e1 s\u1ebd kh\u00f4ng bao gi\u1edd t\u0103ng n\u1eefa. Vi\u1ec7c n\u00e0y v\u00f4 c\u00f9ng d\u1ec5 n\u1ebfu b\u1ea1n c\u00f3 m\u1ed9t c\u00e1i nh\u00ecn kh\u00e1ch quan v\u1edbi th\u1ecb tr\u01b0\u1eddng; kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea5t c\u1ee9 broker hay ng\u01b0\u1eddi n\u1ed5i ti\u1ebfng n\u00e0o tr\u00ean m\u1ea1ng.<\/p>\n

          \"\"<\/figure>\n

          M\u1ed9t cp m\u1ea1nh s\u1ebd lu\u00f4n t\u0103ng trong nghi ng\u1edd v\u00ec n\u1ebfu ng\u01b0\u1eddi ta tin ch\u1eafc n\u00f3 s\u1ebd t\u0103ng th\u00ec h\u1ecd s\u1ebd kh\u00f4ng b\u00e1n ra t\u1eeb \u0111\u00f3 kh\u00f4ng h\u00ecnh th\u00e0nh c\u00e1c b\u1eadc thang n\u0111t m\u1edbi gia nh\u1eadp. Nh\u1eefng n\u0111t m\u1edbi gia nh\u1eadp mua \u1edf gi\u00e1 X s\u1ebd k\u1ef3 v\u1ecdng gi\u00e1 t\u0103ng X+1; khi h\u1ecd b\u00e1n ra m\u00e0 v\u1eabn th\u1ea5y cp t\u0103ng h\u1ecd l\u1ea1i mua l\u1ea1i v\u1edbi gi\u00e1 X+2 v\u00e0 k\u1ef3 v\u1ecdng r\u1eb1ng gi\u00e1 l\u00ean X+3. C\u1ee9 nh\u01b0 v\u1eady c\u00f3 khi ch\u1ec9 t\u1eebng \u0111\u00f3 n\u0111t th\u00f4i nh\u01b0ng v\u1edbi s\u1ef1 kh\u00e9o l\u00e9o c\u1ee7a ng\u01b0\u1eddi d\u1eabn d\u1eaft cp s\u1ebd t\u0103ng kh\u00f4ng gi\u1edbi h\u1ea1n. <\/p>\n

          \u0110\u01b0\u01a1ng nhi\u00ean m\u1ed9t cp m\u00e0 kh\u00f4ng c\u00f3 ng\u01b0\u1eddi c\u1ea7m tr\u1ecbch th\u00ec n\u00f3 s\u1ebd \u0111i trong v\u00f4 \u0111\u1ecbnh; ph\u1ea3i c\u00f3 leader. Leader s\u1ebd c\u00f3 m\u1ed9t l\u1edbp sub-leader h\u00f4 h\u00e0o d\u1eabn d\u1eaft d\u01b0 lu\u1eadn. Nh\u1eefng n\u0111t mua r\u1ed3i b\u00e1n k\u1ebft c\u1ee5c c\u00f3 khi l\u1ea1i \u00f4m gi\u00e1 X + n; \u0111i c\u1ea3 ch\u1eb7ng \u0111\u01b0\u1eddng t\u0103ng c\u1ee7a cp m\u00e0 l\u00e3i ch\u1eb3ng bao nhi\u00eau nh\u01b0ng \u0103n nguy\u00ean c\u00e2y gi\u1ea3m. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u1ee9 mua b\u00e1n li\u00ean t\u1ee5c kh\u1ea3 n\u0103ng thua l\u1ed7 cao h\u01a1n nhi\u1ec1u so v\u1edbi ng\u01b0\u1eddi ki\u00ean nh\u1eabn r\u00f5 r\u00e0ng hai giai \u0111o\u1ea1n mua n\u1eafm gi\u1eef v\u00e0 b\u00e1n d\u1ea7n.<\/p>\n

          C\u00e1c cp khi t\u1ea1o \u0111\u1ec9nh r\u1ed3i \u0111\u1ea3o chi\u1ec1u th\u01b0\u1eddng t\u1ea1o m\u00f4 h\u00ecnh 2 \u0111\u1ec9nh (ch\u1eef M) ho\u1eb7c 3 \u0111\u1ec9nh (vai d\u1ea7u vai). M\u1ed9t cp khi t\u1ea1o \u0111\u00e1y \u0111\u1ea3o chi\u1ec1u \u0111i l\u00ean th\u01b0\u1eddng t\u1ea1o m\u00f4 h\u00ecnh 2 \u0111\u00e1y (ch\u1eef W). Nh\u1eefng m\u00f4 h\u00ecnh n\u00e0y khi th\u00eam Bollinger Band v\u00e0o s\u1ebd r\u00f5 r\u00e0ng h\u01a1n.<\/p>\n

          \"\"<\/figure>\n

          \u1ede m\u00f4 h\u00ecnh hai \u0111\u00e1y, \u1edf \u0111\u00e1y th\u1ee9 hai cho d\u00f9 c\u00f3 th\u1ea5p h\u01a1n \u0111\u00e1y 1 mi\u1ec5n l\u00e0 n\u00f3 kh\u00f4ng \u0111\u00e2m xuy\u00ean qua d\u1ea3i d\u01b0\u1edbi nh\u01b0 \u0111\u00e1y 1 l\u00e0 d\u1ea5u hi\u1ec7u cho kh\u1ea3 n\u0103ng \u0111\u1ea3o chi\u1ec1u. T\u00edn hi\u1ec7u x\u00e1c nh\u1eadn th\u00eam l\u00e0 sau \u0111\u00f3 kh\u1ed1i l\u01b0\u1ee3ng t\u0103ng h\u01a1n trung b\u00ecnh v\u1edbi bi\u00ean \u0111\u1ed9 t\u0103ng h\u01a1n trung b\u00ecnh. \u1ede bi\u1ec3u \u0111\u1ed3 SSI \u1edf tr\u00ean, ta th\u1ea5y gi\u00e1 \u1edf l\u1ea7n \u0111\u1ea7u kh\u00f4ng v\u01b0\u1ee3t \u0111\u01b0\u1ee3c BB1 nh\u01b0ng n\u00f3 b\u00e1m s\u00e1t BB1 m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ea9y xu\u1ed1ng BB2; v\u00e0 sau \u0111\u00f3 n\u00f3 break l\u00ean t\u1ea1o \u0111\u00e1y sau cao h\u01a1n \u0111\u00e1y tr\u01b0\u1edbc v\u00e0 quan tr\u1ecdng l\u00e0 kh\u00f4ng vi ph\u1ea1m BB2.<\/p>\n

          Trong c\u00f9ng m\u1ed9t th\u1eddi \u0111i\u1ec3m ta kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u ch\u1ec9 b\u00e1o m\u00e0 ch\u1ecdn ra b\u1ed9 ch\u1ec9 b\u00e1o ph\u00f9 h\u1ee3p v\u1edbi cp. C\u00e1c ch\u1ec9 b\u00e1o l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p gi\u00fap ta nh\u00ecn to\u00e0n c\u1ea3nh nh\u01b0 MACD, IchimoKhu, Bollinger Band. C\u00e1c ch\u1ec9 b\u00e1o nh\u1ecf v\u00e0 \u0111\u01a1n gi\u1ea3n: RSI ho\u1eb7c MFI (l\u00e0 RSI c\u00f3 t\u00ednh th\u00eam kh\u1ed1i l\u01b0\u1ee3ng); A\/D v\u00e0 RSI. C\u00e1c m\u00f4 h\u00ecnh gi\u00fap d\u1ef1 \u0111o\u00e1n \u0111\u1ec9nh \u0111\u00e1y: S\u00f3ng Elliott, Fibonacci.<\/mark> <\/p>\n

          C\u00e1c ch\u1ec9 b\u00e1o b\u1ea3n ch\u1ea5t l\u1ea5y t\u1eeb c\u00f9ng m\u1ed9t b\u1ed9 d\u1eef li\u1ec7u x\u00e1c \u0111\u1ecbnh: Gi\u00e1 (M\u1edf c\u1eeda, \u0111\u00f3ng c\u1eeda, gi\u00e1 l\u1edbn nh\u1ea5t, gi\u00e1 nh\u1ecf nh\u1ea5t) v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng. Sau \u0111\u00f3 v\u1edbi c\u00e1c c\u00f4ng th\u1ee9c kh\u00e1c nhau th\u00ec nh\u1eb1m t\u1edbi m\u1ed9t kh\u00eda c\u1ea1nh c\u1ee5 th\u1ec3 n\u00e0o \u0111\u00f3 v\u00ec v\u1eady \u00e1p d\u1ee5ng ph\u1ea3i ph\u00f9 h\u1ee3p ho\u00e0n c\u1ea3nh. Ch\u1ec9 b\u00e1o \u0111\u1ed9ng l\u1ef1c Stochastics, Ch\u1ec9 b\u00e1o xu h\u01b0\u1edbng MACD, Ch\u1ec9 b\u00e1o kh\u1ed1i l\u01b0\u1ee3ng tr\u1ecdng t\u00e2m gi\u00e1 m\u1edf c\u1eeda Accumulation\/Distribution, ch\u1ec9 b\u00e1o kh\u1ed1i l\u01b0\u1ee3ng tr\u1ecdng t\u00e2m v\u00e0o gi\u00e1 \u0111\u00f3ng c\u1eeda MFI, Volume v\u1edbi \u0111\u01b0\u1eddng trung b\u00ecnh, MACD; Qu\u00e1 mua\/qu\u00e1 b\u00e1n RSI.<\/p>\n

          M\u1ed9t c\u00e1i b\u1eaby ch\u00fang ta c\u0169ng d\u1ec5 m\u1eafc ph\u1ea3i l\u00e0 ch\u00fang ta quy\u1ebft \u0111\u1ecbnh k\u1ebft qu\u1ea3 tr\u01b0\u1edbc sau \u0111\u00f3 \u0111i t\u00ecm l\u00fd do sau. V\u00ed d\u1ee5 khi thua l\u1ed7, b\u1ea1n mong mu\u1ed1n cp s\u1ebd t\u0103ng tr\u1edf l\u1ea1i v\u00ec v\u1eady b\u1ea1n t\u00ecm c\u00e1c ch\u1ec9 s\u1ed1 \u1ee7ng h\u1ed7 cho vi\u1ec7c \u0111\u00f3 m\u00e0 b\u1ecf qua c\u00e1c ch\u1ec9 s\u1ed1 kh\u00f4ng \u1ee7ng h\u1ed9. R\u1ed3i b\u1ea1n c\u0169ng s\u1ebd t\u00ecm \u0111\u01b0\u1ee3c m\u1ed9t ch\u1ec9 b\u00e1o n\u00e0o \u0111\u00f3 \u1ee7ng h\u1ed9 cho vi\u1ec7c cp s\u1ebd t\u0103ng. \u0110i\u1ec1u \u0111\u00fang \u0111\u1eafn l\u00e0 b\u1ea1n c\u00f3 m\u1ed9t b\u1ed9 ch\u1ec9 b\u00e1o c\u00f9ng m\u1ed9t v\u00e0i m\u1eabu h\u00ecnh<\/strong> d\u00f9ng th\u00e0nh th\u1ea1o v\u00e0 tu\u00e2n theo n\u00f3 m\u1ed9t c\u00e1ch c\u00f3 k\u1ef7 lu\u1eadt v\u00e0 nh\u00e2t qu\u00e1n. N\u1ebfu n\u00f3 b\u1ea3o r\u1eb1ng cp s\u1ebd gi\u1ea3m ti\u1ebfp; h\u00e3y ch\u1ea5p nh\u1eadn b\u00e1n v\u00e0 m\u1ea5t ti\u1ec1n (thay v\u00ec kh\u00f4ng mu\u1ed1n m\u1ea5t ti\u1ec1n \u0111\u1ec3 r\u1ed3i c\u00f2n m\u1ea5t nhi\u1ec1u h\u01a1n).<\/p>\n

          \n

          Ngu\u1ed3n:<\/strong> Bollinger Band v\u00e0 ch\u1ec9 b\u00e1o A\/D \u2014 chienluocsong.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

          Source: https:\/\/chienluocsong.com\/bollinger-band-va-chi-bao-a-d\/<\/p>\n","protected":false},"author":1,"featured_media":1119,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1118","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\/1118","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=1118"}],"version-history":[{"count":1,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts\/1118\/revisions"}],"predecessor-version":[{"id":1446,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/posts\/1118\/revisions\/1446"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=\/wp\/v2\/media\/1119"}],"wp:attachment":[{"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ngocha.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}