{"id":565,"date":"2025-04-29T07:14:05","date_gmt":"2025-04-29T07:14:05","guid":{"rendered":"https:\/\/oneroyal.academy\/?p=565"},"modified":"2025-05-23T05:45:48","modified_gmt":"2025-05-23T05:45:48","slug":"understanding-indicators-what-is-the-rsi","status":"publish","type":"post","link":"https:\/\/www.oneroyal.academy\/vi\/understanding-indicators\/understanding-indicators-what-is-the-rsi\/","title":{"rendered":"RSI l\u00e0 g\u00ec?"},"content":{"rendered":"<p>N\u1ebfu b\u1ea1n t\u1eebng th\u1eafc m\u1eafc li\u1ec7u th\u1ecb tr\u01b0\u1eddng c\u00f3 \u0111ang qu\u00e1 n\u00f3ng hay b\u1ecb \u0111\u1ecbnh gi\u00e1 th\u1ea5p hay kh\u00f4ng, Ch\u1ec9 s\u1ed1 s\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i hay c\u00f2n g\u1ecdi l\u00e0 RSI l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 \u0111\u1ea7u ti\u00ean b\u1ea1n n\u00ean c\u00f3 trong kho v\u0169 kh\u00ed giao d\u1ecbch c\u1ee7a m\u00ecnh.<\/p>\n<p>RSI l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o dao \u0111\u1ed9ng \u0111\u1ed9ng l\u01b0\u1ee3ng \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 v\u00e0 bi\u00ean \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng gi\u00e1 g\u1ea7n \u0111\u00e2y c\u1ee7a m\u1ed9t ch\u1ee9ng kho\u00e1n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 li\u1ec7u n\u00f3 \u0111ang \u1edf tr\u1ea1ng th\u00e1i qu\u00e1 mua hay qu\u00e1 b\u00e1n. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n: RSI gi\u00fap b\u1ea1n d\u1ef1 \u0111o\u00e1n khi n\u00e0o th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 s\u1eafp \u0111\u1ea3o chi\u1ec1u ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh, v\u00e0 khi n\u00e0o th\u00ec c\u00f3 l\u1ebd kh\u00f4ng n\u00ean tham gia v\u00e0o m\u1ed9t th\u1ecb tr\u01b0\u1eddng \u0111ang chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n<p><strong>RSI ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><br \/>\nH\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng RSI gi\u1ed1ng nh\u01b0 \u0111\u1ed3ng h\u1ed3 \u0111o nhi\u1ec7t \u0111\u1ed9 tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n xe h\u01a1i c\u1ee7a b\u1ea1n. B\u1ea1n kh\u00f4ng c\u1ea7n bi\u1ebft ch\u00ednh x\u00e1c \u0111i\u1ec1u g\u00ec \u0111ang x\u1ea3y ra b\u00ean d\u01b0\u1edbi n\u1eafp capo, b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t ch\u1ec9 s\u1ed1 r\u00f5 r\u00e0ng cho bi\u1ebft \u0111\u1ed9ng c\u01a1 \u0111ang qu\u00e1 n\u00f3ng hay qu\u00e1 l\u1ea1nh.<\/p>\n<h3>RSI di chuy\u1ec3n theo thang \u0111i\u1ec3m t\u1eeb 0 \u0111\u1ebfn 100:<\/h3>\n<ul>\n<li>Tr\u00ean 70 = th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 mua qu\u00e1 m\u1ee9c (c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb \u0111\u1ecbnh gi\u00e1 qu\u00e1 cao v\u00e0 c\u00f3 th\u1ec3 s\u1ebd gi\u1ea3m).<\/li>\n<li>D\u01b0\u1edbi 30 = th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 b\u00e1n qu\u00e1 m\u1ee9c (c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb \u0111\u1ecbnh gi\u00e1 th\u1ea5p v\u00e0 c\u00f3 th\u1ec3 s\u1eafp ph\u1ee5c h\u1ed3i).<\/li>\n<\/ul>\n<p>Tuy nhi\u00ean, m\u1ed9t \u0111i\u1ec3m m\u1ea5u ch\u1ed1t th\u01b0\u1eddng khi\u1ebfn c\u00e1c nh\u00e0 giao d\u1ecbch m\u1edbi b\u1ed1i r\u1ed1i: vi\u1ec7c RSI ch\u1ea1m ng\u01b0\u1ee1ng n\u00e0y kh\u00f4ng \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0111\u1ea3o chi\u1ec1u ngay l\u1eadp t\u1ee9c. Th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 duy tr\u00ec tr\u1ea1ng th\u00e1i &quot;qu\u00e1 mua&quot; ho\u1eb7c &quot;qu\u00e1 b\u00e1n&quot; l\u00e2u h\u01a1n b\u1ea1n mong \u0111\u1ee3i. H\u00e3y coi \u0111\u00f3 nh\u01b0 m\u1ed9t t\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t l\u1ec7nh d\u1eebng ho\u00e0n to\u00e0n.<\/p>\n<h3><strong>T\u1ea1i sao RSI l\u1ea1i l\u00e0 ch\u1ec9 b\u00e1o quan tr\u1ecdng nh\u01b0 v\u1eady?<\/strong><\/h3>\n<ol>\n<li><strong>Th\u1eddi \u0111i\u1ec3m v\u00e0o v\u00e0 ra ti\u1ec1m n\u0103ng<\/strong><br \/>\nTrong th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng, th\u1eddi \u0111i\u1ec3m l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. RSI c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i th\u1ebf quan tr\u1ecdng b\u1eb1ng c\u00e1ch gi\u00fap nh\u00e0 giao d\u1ecbch d\u1ef1 \u0111o\u00e1n khi n\u00e0o \u0111\u00e0 t\u0103ng c\u00f3 th\u1ec3 s\u1eafp h\u1ebft. N\u1ebfu b\u1ea1n \u0111ang c\u00e2n nh\u1eafc m\u1edf v\u1ecb th\u1ebf mua nh\u01b0ng nh\u1eadn th\u1ea5y RSI \u0111ang t\u0103ng v\u1ecdt tr\u00ean 80, t\u1ed1t h\u01a1n h\u1ebft l\u00e0 n\u00ean ch\u1edd \u0111\u1ee3i m\u1ed9t thi\u1ebft l\u1eadp thu\u1eadn l\u1ee3i h\u01a1n.<\/li>\n<li><strong>Ph\u00e1t hi\u1ec7n s\u1ef1 ph\u00e2n k\u1ef3<\/strong><br \/>\nM\u1ed9t \u1ee9ng d\u1ee5ng m\u1ea1nh m\u1ebd kh\u00e1c c\u1ee7a RSI l\u00e0 ph\u00e1t hi\u1ec7n s\u1ef1 ph\u00e2n k\u1ef3 gi\u1eefa bi\u1ebfn \u0111\u1ed9ng gi\u00e1 v\u00e0 \u0111\u1ed9ng l\u01b0\u1ee3ng. V\u00ed d\u1ee5, n\u1ebfu gi\u00e1 \u0111ang t\u1ea1o \u0111\u1ec9nh m\u1edbi nh\u01b0ng RSI l\u1ea1i t\u1ea1o \u0111\u1ec9nh th\u1ea5p h\u01a1n, th\u00ec \u0111\u00f3 th\u01b0\u1eddng l\u00e0 d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o cho th\u1ea5y \u0111\u1ee3t t\u0103ng gi\u00e1 c\u00f3 th\u1ec3 \u0111ang l\u00e0m suy y\u1ebfu m\u1ed9t thi\u1ebft l\u1eadp c\u1ed5 \u0111i\u1ec3n d\u00e0nh cho c\u00e1c nh\u00e0 giao d\u1ecbch l\u00e3o luy\u1ec7n.<\/li>\n<li><strong>T\u00ednh linh ho\u1ea1t tr\u00ean kh\u1eafp c\u00e1c th\u1ecb tr\u01b0\u1eddng<\/strong><br \/>\nCho d\u00f9 b\u1ea1n \u0111ang giao d\u1ecbch ngo\u1ea1i h\u1ed1i, c\u1ed5 phi\u1ebfu, ti\u1ec1n \u0111i\u1ec7n t\u1eed hay h\u00e0ng h\u00f3a, RSI \u0111\u1ec1u th\u00edch \u1ee9ng linh ho\u1ea1t. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean bi\u1ec3u \u0111\u1ed3 5 ph\u00fat c\u0169ng nh\u01b0 tr\u00ean khung th\u1eddi gian h\u00e0ng th\u00e1ng, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 linh ho\u1ea1t nh\u1ea5t hi\u1ec7n nay.<\/li>\n<\/ol>\n<h3><strong>Suy ngh\u0129 cu\u1ed1i c\u00f9ng: S\u1eed d\u1ee5ng RSI m\u1ed9t c\u00e1ch th\u00f4ng minh<\/strong><\/h3>\n<p>Gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 ch\u1ec9 b\u00e1o n\u00e0o, RSI t\u1ed1t nh\u1ea5t n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 k\u1ef9 thu\u1eadt kh\u00e1c, ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1eed d\u1ee5ng ri\u00eang l\u1ebb. H\u00e3y xem n\u00f3 nh\u01b0 m\u1ed9t m\u1ea3nh gh\u00e9p c\u1ee7a b\u1ee9c tranh t\u1ed5ng th\u1ec3 ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 to\u00e0n b\u1ed9 b\u1ee9c tranh. K\u1ebft h\u1ee3p n\u00f3 v\u1edbi h\u00e0nh \u0111\u1ed9ng gi\u00e1, c\u00e1c m\u1ee9c h\u1ed7 tr\u1ee3\/kh\u00e1ng c\u1ef1 ho\u1eb7c m\u00f4 h\u00ecnh n\u1ebfn, b\u1ea1n s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ra quy\u1ebft \u0111\u1ecbnh c\u1ee7a m\u00ecnh.<\/p>\n<p>H\u00e3y nh\u1edb r\u1eb1ng: giao d\u1ecbch th\u00e0nh c\u00f4ng kh\u00f4ng ph\u1ea3i l\u00e0 d\u1ef1 \u0111o\u00e1n m\u1ecdi bi\u1ebfn \u0111\u1ed9ng m\u00e0 l\u00e0 t\u00edch l\u0169y x\u00e1c su\u1ea5t c\u00f3 l\u1ee3i cho b\u1ea1n. V\u1edbi RSI b\u00ean c\u1ea1nh, b\u1ea1n s\u1ebd c\u00f3 c\u00e1i nh\u00ecn s\u1eafc b\u00e9n h\u01a1n v\u1ec1 th\u1eddi \u0111i\u1ec3m nh\u1eefng x\u00e1c su\u1ea5t \u0111\u00f3 thay \u0111\u1ed5i.<\/p>","protected":false},"excerpt":{"rendered":"<p>If you\u2019ve ever found yourself wondering whether a market is overheating or undervalued, the Relative Strength Index better known as RSI is one of the first tools you should have in your trading arsenal. RSI is a momentum oscillator that measures the speed and magnitude of a security\u2019s recent price changes to evaluate whether it\u2019s [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-565","post","type-post","status-publish","format-standard","hentry","category-understanding-indicators"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/posts\/565","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/comments?post=565"}],"version-history":[{"count":4,"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/posts\/565\/revisions"}],"predecessor-version":[{"id":1105,"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/posts\/565\/revisions\/1105"}],"wp:attachment":[{"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/media?parent=565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/categories?post=565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oneroyal.academy\/vi\/wp-json\/wp\/v2\/tags?post=565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}