{"id":809,"date":"2024-08-22T08:08:24","date_gmt":"2024-08-22T08:08:24","guid":{"rendered":"https:\/\/quantumtraddev.wpenginepowered.com\/sar-parabol\/"},"modified":"2024-08-22T08:08:24","modified_gmt":"2024-08-22T08:08:24","slug":"sar-parabol","status":"publish","type":"post","link":"https:\/\/www.quantumtradeglobal.com\/vi\/sar-parabol\/","title":{"rendered":"SAR Parabol"},"content":{"rendered":"<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-[20px] text-message flex w-full flex-col items-end gap-2 break-words [.text-message+&amp;]:mt-5 overflow-x-auto whitespace-pre-wrap\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"413cfbdb-2ece-48d4-afdc-81e5aec4959e\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p><strong>Parabolic SAR (Stop and Reverse)<\/strong> l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt do J. Welles Wilder ph\u00e1t tri\u1ec3n, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng gi\u00e1 c\u1ee7a m\u1ed9t t\u00e0i s\u1ea3n v\u00e0 b\u00e1o hi\u1ec7u c\u00e1c \u0111i\u1ec3m \u0111\u1ea3o ng\u01b0\u1ee3c ti\u1ec1m n\u0103ng trong xu h\u01b0\u1edbng c\u1ee7a n\u00f3. Ch\u1ec9 b\u00e1o n\u00e0y \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c ch\u1ea5m \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf tr\u00ean ho\u1eb7c d\u01b0\u1edbi c\u00e1c thanh gi\u00e1 tr\u00ean bi\u1ec3u \u0111\u1ed3. <\/p>\n<h3>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Parabolic SAR:<\/h3>\n<ol>\n<li><strong>Nh\u1eadn d\u1ea1ng xu h\u01b0\u1edbng<\/strong> :\n<ul>\n<li>Khi c\u00e1c ch\u1ea5m n\u1eb1m d\u01b0\u1edbi gi\u00e1, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y xu h\u01b0\u1edbng t\u0103ng, g\u1ee3i \u00fd r\u1eb1ng b\u1ea1n n\u00ean gi\u1eef v\u1ecb th\u1ebf mua.<\/li>\n<li>Khi c\u00e1c ch\u1ea5m n\u1eb1m ph\u00eda tr\u00ean gi\u00e1, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y xu h\u01b0\u1edbng gi\u1ea3m, b\u00e1o hi\u1ec7u v\u1ecb th\u1ebf b\u00e1n ho\u1eb7c th\u1eddi \u0111i\u1ec3m tho\u00e1t kh\u1ecfi giao d\u1ecbch mua.<\/li>\n<\/ul>\n<\/li>\n<li><strong>T\u00edn hi\u1ec7u \u0111\u1ea3o chi\u1ec1u<\/strong> :\n<ul>\n<li>S\u1ef1 \u0111\u1ea3o ng\u01b0\u1ee3c xu h\u01b0\u1edbng x\u1ea3y ra khi c\u00e1c ch\u1ea5m chuy\u1ec3n t\u1eeb v\u1ecb tr\u00ed d\u01b0\u1edbi gi\u00e1 sang v\u1ecb tr\u00ed tr\u00ean gi\u00e1.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n<\/strong> :\n<ul>\n<li>V\u1ecb th\u1ebf d\u00e0i: SAR(i) = SAR(i &#8211; 1) + AF * (HIGH(i &#8211; 1) &#8211; SAR(i &#8211; 1))<\/li>\n<li>V\u1ecb th\u1ebf b\u00e1n kh\u1ed1ng: SAR(i) = SAR(i &#8211; 1) + AF * (LOW(i &#8211; 1) &#8211; SAR(i &#8211; 1))\n<ul>\n<li>SAR(i &#8211; 1): gi\u00e1 tr\u1ecb c\u1ee7a Parabolic SAR tr\u00ean thanh tr\u01b0\u1edbc \u0111\u00f3;<\/li>\n<li>AF: h\u1ec7 s\u1ed1 gia t\u1ed1c;<\/li>\n<li>HIGH(i &#8211; 1): gi\u00e1 cao nh\u1ea5t cho k\u1ef3 tr\u01b0\u1edbc;<\/li>\n<li>LOW(i &#8211; 1): gi\u00e1 th\u1ea5p nh\u1ea5t cho k\u1ef3 tr\u01b0\u1edbc.<\/li>\n<\/ul>\n<\/li>\n<li>Gi\u00e1 tr\u1ecb ch\u1ec9 b\u00e1o t\u0103ng n\u1ebfu gi\u00e1 c\u1ee7a thanh hi\u1ec7n t\u1ea1i cao h\u01a1n gi\u00e1 t\u0103ng tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. \u0110\u1ed3ng th\u1eddi, h\u1ec7 s\u1ed1 t\u0103ng t\u1ed1c s\u1ebd t\u0103ng t\u1ed1c \u0111\u1ec3 h\u1ed9i t\u1ee5 Parabolic SAR v\u00e0 gi\u00e1. Do \u0111\u00f3, gi\u00e1 t\u0103ng ho\u1eb7c gi\u1ea3m c\u00e0ng nhanh th\u00ec ch\u1ec9 b\u00e1o c\u00e0ng ti\u1ebfp c\u1eadn gi\u00e1 nhanh h\u01a1n.  <\/li>\n<\/ul>\n<\/li>\n<li><strong>\u01afu \u0111i\u1ec3m<\/strong> : D\u1ec5 s\u1eed d\u1ee5ng<\/li>\n<li><strong>H\u1ea1n ch\u1ebf<\/strong> :\n<ul>\n<li>\u00cdt hi\u1ec7u qu\u1ea3 h\u01a1n trong c\u00e1c th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng<\/li>\n<li>C\u00e1c thi\u1ebft l\u1eadp ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i s\u1ea3n ho\u1eb7c khung th\u1eddi gian, \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb AF.<\/li>\n<li>M\u1ed9t nghi\u00ean c\u1ee9u v\u1ec1 Parabolic SAR d\u1ef1a tr\u00ean vi\u1ec7c ki\u1ec3m tra ng\u01b0\u1ee3c trong kho\u1ea3ng th\u1eddi gian 12 n\u0103m \u0111\u1ebfn n\u0103m 2023 \u0111\u1ed1i v\u1edbi 30 c\u1ed5 phi\u1ebfu c\u1ee7a Dow Jones Industrial Average, \u0111\u00e3 ch\u1ee9ng minh vi\u1ec7c s\u1eed d\u1ee5ng Parabolic SAR v\u1edbi bi\u1ec3u \u0111\u1ed3 <a title=\"Bi\u1ec3u \u0111\u1ed3 m\u1edf-cao-th\u1ea5p-\u0111\u00f3ng\" href=\"https:\/\/en.wikipedia.org\/wiki\/Open-high-low-close_chart\">OHLC<\/a> ti\u00eau chu\u1ea9n \u0111\u00e3 mang l\u1ea1i t\u1ef7 l\u1ec7 chi\u1ebfn th\u1eafng l\u00e0 19%. S\u1eed d\u1ee5ng PSAR v\u1edbi bi\u1ec3u \u0111\u1ed3 Heikin Ashi \u0111\u00e3 t\u1ea1o ra t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng l\u00e0 63% (tham kh\u1ea3o: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Parabolic_SAR\">https:\/\/en.wikipedia.org\/wiki\/Parabolic_SAR<\/a> ). Hi\u1ec7u qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i bi\u1ec3u \u0111\u1ed3 b\u1ea1n ch\u1ecdn.  <\/li>\n<\/ul>\n<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf:<\/strong><\/li>\n<\/ol>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>\u0110i\u1ec3m v\u00e0o v\u00e0 ra<\/strong> : C\u00e1c nh\u00e0 giao d\u1ecbch th\u01b0\u1eddng s\u1eed d\u1ee5ng Parabolic SAR \u0111\u1ec3 t\u00ednh th\u1eddi \u0111i\u1ec3m v\u00e0o v\u00e0 ra. V\u00ed d\u1ee5, h\u1ecd c\u00f3 th\u1ec3 v\u00e0o l\u1ec7nh khi c\u00e1c ch\u1ea5m \u0111\u1ea3o ng\u01b0\u1ee3c, cho bi\u1ebft s\u1ef1 b\u1eaft \u0111\u1ea7u c\u1ee7a m\u1ed9t xu h\u01b0\u1edbng m\u1edbi. <\/li>\n<li><strong>Trailing Stop<\/strong> : Ch\u1ec9 b\u00e1o c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t trailing stop. Khi xu h\u01b0\u1edbng ti\u1ebfn tri\u1ec3n, c\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c d\u1eebng l\u1ed7 c\u1ee7a h\u1ecd d\u1ef1a tr\u00ean ch\u1ec9 b\u00e1o, kh\u00f3a l\u1ee3i nhu\u1eadn khi gi\u00e1 di chuy\u1ec3n theo h\u01b0\u1edbng c\u00f3 l\u1ee3i cho h\u1ecd. <\/li>\n<li>Parabolic SAR l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111a n\u0103ng, nh\u01b0ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ch\u1ec9 b\u00e1o kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng ho\u1eb7c \u0111\u01b0\u1eddng xu h\u01b0\u1edbng, \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 gi\u1ea3m nguy c\u01a1 \u0111\u01b0a ra t\u00edn hi\u1ec7u sai.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><!--more--><\/p>\n<p><!--more--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt Parabolic SAR \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 ph\u00e2n t\u00edch xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng.<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_genesis_block_theme_hide_title":false,"footnotes":""},"categories":[87],"tags":[],"class_list":{"0":"post-809","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-chien-luoc","8":"without-featured-image"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v26.2) - 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