{"id":54032,"date":"2025-05-14T10:00:30","date_gmt":"2025-05-14T02:00:30","guid":{"rendered":"http:\/\/test.swqi.tw\/?p=54032"},"modified":"2025-12-03T03:43:04","modified_gmt":"2025-12-02T19:43:04","slug":"forex-moving-average-sma-ema","status":"publish","type":"post","link":"https:\/\/mister.forex\/vi\/forex-moving-average-sma-ema\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn \u0110\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng (MA): Ng\u01b0\u1eddi m\u1edbi b\u1eaft bu\u1ed9c ph\u1ea3i hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a SMA v\u00e0 EMA"},"content":{"rendered":"
\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n

H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n v\u1ec1 ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt Forex: B\u00ed m\u1eadt c\u1ee7a \u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng (MA) - SMA vs. EMA<\/strong> <\/h2>\n\nKhi b\u1ea1n nh\u00ecn th\u1ea5y tr\u00ean bi\u1ec3u \u0111\u1ed3 Forex ngo\u00e0i n\u1ebfn K c\u00f2n c\u00f3 m\u1ed9t ho\u1eb7c nhi\u1ec1u \u0111\u01b0\u1eddng cong m\u01b0\u1ee3t m\u00e0 theo s\u00e1t gi\u00e1 l\u00ean xu\u1ed1ng, r\u1ea5t c\u00f3 th\u1ec3 \u0111\u00f3 ch\u00ednh l\u00e0 \u201c\u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng\u201d (Moving Average, MA)<\/strong>.
\n\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 b\u00e1o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt, \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a nhi\u1ec1u chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch.

\nCh\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 m\u1ed9t \u201cb\u1ed9 l\u1ecdc\u201d cho bi\u1ebfn \u0111\u1ed9ng gi\u00e1, gi\u00fap ch\u00fang ta lo\u1ea1i b\u1ecf nh\u1eefng nhi\u1ec5u lo\u1ea1n ng\u1eafn h\u1ea1n c\u1ee7a th\u1ecb tr\u01b0\u1eddng, t\u1eeb \u0111\u00f3 nh\u00ecn r\u00f5 h\u01a1n xu h\u01b0\u1edbng ch\u00ednh c\u1ee7a gi\u00e1.
\nHi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng l\u00e0 g\u00ec, c\u0169ng nh\u01b0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t \u2014 \u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng \u0110\u01a1n Gi\u1ea3n (SMA)<\/strong> v\u00e0 \u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng L\u0169y Th\u1eeba (EMA)<\/strong> \u2014 s\u1ebd l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng trong vi\u1ec7c h\u1ecdc ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt.
\nB\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n d\u1ec5 hi\u1ec3u v\u1ec1 kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n, c\u00e1c lo\u1ea1i ch\u00ednh, \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng.

\n\n

1. \u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng (MA) l\u00e0 g\u00ec? \u201cQu\u1ef9 \u0111\u1ea1o trung b\u00ecnh\u201d c\u1ee7a gi\u00e1<\/strong> <\/h2>\n\u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng<\/strong>, nh\u01b0 t\u00ean g\u1ecdi, l\u00e0 \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c v\u1ebd tr\u00ean bi\u1ec3u \u0111\u1ed3 b\u1eb1ng c\u00e1ch t\u00ednh trung b\u00ecnh gi\u00e1 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh trong qu\u00e1 kh\u1ee9, r\u1ed3i n\u1ed1i c\u00e1c gi\u00e1 tr\u1ecb trung b\u00ecnh \u0111\u00f3 l\u1ea1i v\u1edbi nhau.
\nKho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh n\u00e0y ch\u00ednh l\u00e0 \u201cchu k\u1ef3\u201d (Period)<\/strong> c\u1ee7a \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng, v\u00ed d\u1ee5, \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng 20 ng\u00e0y l\u00e0 trung b\u00ecnh gi\u00e1 \u0111\u00f3ng c\u1eeda c\u1ee7a 20 ng\u00e0y giao d\u1ecbch g\u1ea7n nh\u1ea5t.

\n\n\"\"

\n\nCh\u1ee9c n\u0103ng c\u1ed1t l\u00f5i:<\/strong> N\u00f3 l\u00e0m m\u01b0\u1ee3t c\u00e1c bi\u1ebfn \u0111\u1ed9ng gi\u00e1 ng\u00e0y m\u1ed9t ng\u00e0y b\u1eb1ng c\u00e1ch t\u00ednh trung b\u00ecnh, gi\u00fap ch\u00fang ta d\u1ec5 d\u00e0ng quan s\u00e1t xu h\u01b0\u1edbng t\u1ed5ng th\u1ec3 c\u1ee7a gi\u00e1 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian l\u00e0 t\u0103ng, gi\u1ea3m hay \u0111i ngang.

\nT\u01b0\u01a1ng t\u1ef1 \u0111\u01a1n gi\u1ea3n:<\/strong> H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n mu\u1ed1n bi\u1ebft t\u00ecnh h\u00ecnh h\u1ecdc t\u1eadp g\u1ea7n \u0111\u00e2y c\u1ee7a m\u1ed9t h\u1ecdc sinh.
\nCh\u1ec9 nh\u00ecn \u0111i\u1ec3m thi l\u1ea7n cu\u1ed1i c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c (c\u00f3 th\u1ec3 l\u00e0 \u0111i\u1ec3m cao b\u1ea5t th\u01b0\u1eddng ho\u1eb7c \u0111i\u1ec3m th\u1ea5p b\u1ea5t th\u01b0\u1eddng).
\nNh\u01b0ng n\u1ebfu b\u1ea1n t\u00ednh \u0111i\u1ec3m trung b\u00ecnh c\u1ee7a 5 l\u1ea7n thi g\u1ea7n nh\u1ea5t, b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t ch\u1ec9 s\u1ed1 \u1ed5n \u0111\u1ecbnh h\u01a1n, ph\u1ea3n \u00e1nh xu h\u01b0\u1edbng h\u1ecdc t\u1eadp t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ecdc sinh \u0111\u00f3.
\n\u0110\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng l\u00e0m \u0111i\u1ec1u t\u01b0\u01a1ng t\u1ef1 v\u1edbi gi\u00e1.

\n

2. C\u00e1c lo\u1ea1i ch\u00ednh: \u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng \u0110\u01a1n Gi\u1ea3n (SMA) vs. \u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng L\u0169y Th\u1eeba (EMA)<\/strong> <\/h2>\nC\u00f3 hai c\u00e1ch t\u00ednh ph\u1ed5 bi\u1ebfn nh\u1ea5t cho \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng, \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 khi t\u00ednh trung b\u00ecnh, c\u00f3 hay kh\u00f4ng vi\u1ec7c \u01b0u ti\u00ean tr\u1ecdng s\u1ed1 l\u1edbn h\u01a1n cho gi\u00e1 g\u1ea7n \u0111\u00e2y h\u01a1n: 

\n\n\"\"\n\n
    \n
  • \u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng \u0110\u01a1n Gi\u1ea3n (Simple Moving Average, SMA) (\u0111\u01b0\u1eddng m\u00e0u \u0111\u1ecf):<\/strong> \n
      \n
    • Kh\u00e1i ni\u1ec7m t\u00ednh to\u00e1n:<\/strong> Khi t\u00ednh trung b\u00ecnh, m\u1ed7i gi\u00e1 trong chu k\u1ef3 \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec1u c\u00f3 tr\u1ecdng s\u1ed1 b\u1eb1ng nhau. V\u00ed d\u1ee5, t\u00ednh SMA 20 ng\u00e0y l\u00e0 c\u1ed9ng gi\u00e1 \u0111\u00f3ng c\u1eeda c\u1ee7a 20 ng\u00e0y tr\u01b0\u1edbc r\u1ed3i chia cho 20.<\/li>\n
    • \u0110\u1eb7c \u0111i\u1ec3m:<\/strong> \u0110\u01b0\u1eddng v\u1ebd ra t\u01b0\u01a1ng \u0111\u1ed1i m\u01b0\u1ee3t m\u00e0, ph\u1ea3n \u1ee9ng ch\u1eadm v\u1edbi c\u00e1c bi\u1ebfn \u0111\u1ed9ng gi\u00e1 \u0111\u1ed9t ng\u1ed9t ng\u1eafn h\u1ea1n.<\/li>\n <\/ul>\n <\/li>\n
    • \u0110\u01b0\u1eddng Trung B\u00ecnh \u0110\u1ed9ng L\u0169y Th\u1eeba (Exponential Moving Average, EMA) (\u0111\u01b0\u1eddng m\u00e0u v\u00e0ng):<\/strong> \n
        \n
      • Kh\u00e1i ni\u1ec7m t\u00ednh to\u00e1n:<\/strong> Khi t\u00ednh trung b\u00ecnh, gi\u00e1 g\u1ea7n \u0111\u00e2y \u0111\u01b0\u1ee3c g\u00e1n tr\u1ecdng s\u1ed1 cao h\u01a1n, c\u00f2n gi\u00e1 c\u0169 h\u01a1n th\u00ec tr\u1ecdng s\u1ed1 gi\u1ea3m d\u1ea7n. N\u00f3i c\u00e1ch kh\u00e1c, EMA ch\u00fa tr\u1ecdng h\u01a1n \u0111\u1ebfn nh\u1eefng bi\u1ebfn \u0111\u1ed9ng gi\u00e1 m\u1edbi nh\u1ea5t. (C\u00f4ng th\u1ee9c t\u00ednh c\u1ee5 th\u1ec3 ph\u1ee9c t\u1ea1p, ng\u01b0\u1eddi m\u1edbi kh\u00f4ng c\u1ea7n qu\u00e1 b\u1eadn t\u00e2m).<\/li>\n
      • \u0110\u1eb7c \u0111i\u1ec3m:<\/strong> V\u00ec \u01b0u ti\u00ean gi\u00e1 g\u1ea7n \u0111\u00e2y, EMA ph\u1ea3n \u1ee9ng nhanh h\u01a1n SMA c\u00f9ng chu k\u1ef3, nh\u1ea1y b\u00e9n h\u01a1n v\u1edbi bi\u1ebfn \u0111\u1ed9ng gi\u00e1. \u0110\u01b0\u1eddng v\u1ebd \u00edt m\u01b0\u1ee3t h\u01a1n, s\u00e1t v\u1edbi di\u1ec5n bi\u1ebfn gi\u00e1 g\u1ea7n nh\u1ea5t.<\/li>\n <\/ul>\n <\/li>\n<\/ul>\n
        \nSMA vs. EMA: Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n?<\/strong> 
        \nKh\u00f4ng c\u00f3 lo\u1ea1i n\u00e0o tuy\u1ec7t \u0111\u1ed1i \u201ct\u1ed1t h\u01a1n\u201d, ch\u1ec9 c\u00f3 lo\u1ea1i ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi phong c\u00e1ch v\u00e0 chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch c\u1ee7a b\u1ea1n.
        \n