{"id":13071,"date":"2026-05-28T14:18:38","date_gmt":"2026-05-28T14:18:38","guid":{"rendered":"https:\/\/bjftradinggroup.com\/?p=13071"},"modified":"2026-09-25T15:46:18","modified_gmt":"2026-09-25T15:46:18","slug":"sharptrader-pairs-trading-direction-modes","status":"publish","type":"post","link":"https:\/\/bjftradinggroup.com\/vi\/sharptrader-pairs-trading-direction-modes\/","title":{"rendered":"SharpTrader Pairs Trading: gi\u1ea3i th\u00edch tham s\u1ed1 Direction \u2014 c\u1ea3 8 ch\u1ebf \u0111\u1ed9"},"content":{"rendered":"<p><\/p>\n<div class=\"ptdm-page\">\n<p>BJF TRADING GROUP  \u00b7  T\u00c0I LI\u1ec6U S\u1ea2N PH\u1ea8M<\/p>\n<div class=\"ptdm-hero\">\n<h2>SharpTrader Pairs Trading: gi\u1ea3i th\u00edch tham s\u1ed1 <span class=\"ptdm-gold\">Direction<\/span> \u2014 c\u1ea3 8 ch\u1ebf \u0111\u1ed9<\/h2>\n<p class=\"ptdm-hero-sub\">Direction quy\u1ebft \u0111\u1ecbnh b\u00ean n\u00e0o c\u1ee7a c\u1eb7p \u0111\u01b0\u1ee3c <strong>mua<\/strong> v\u00e0 b\u00ean n\u00e0o \u0111\u01b0\u1ee3c <strong>b\u00e1n<\/strong> khi ng\u01b0\u1ee1ng Zindex \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t. T\u00e1m ch\u1ebf \u0111\u1ed9 chia th\u00e0nh hai nh\u00f3m chi\u1ebfn l\u01b0\u1ee3c \u2014 <strong>\u0111\u00e1nh ng\u01b0\u1ee3c s\u1ef1 ph\u00e2n k\u1ef3<\/strong> (h\u1ed3i quy v\u1ec1 trung b\u00ecnh) v\u00e0 <strong>\u0111i theo s\u1ef1 ph\u00e2n k\u1ef3<\/strong> (\u0111\u1ed9ng l\u01b0\u1ee3ng) \u2014 c\u00f9ng m\u1ed9t ngo\u1ea1i l\u1ec7, <strong>Inversed<\/strong>, \u0111\u1ea3o ng\u01b0\u1ee3c ch\u00ednh \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t. Trang n\u00e0y l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o th\u1ef1c t\u1ebf: m\u1ed7i ch\u1ebf \u0111\u1ed9 l\u00e0m g\u00ec, khi n\u00e0o k\u00edch ho\u1ea1t v\u00e0 n\u00ean ch\u1ecdn ch\u1ebf \u0111\u1ed9 n\u00e0o cho thi\u1ebft l\u1eadp b\u1ea1n th\u1ef1c s\u1ef1 giao d\u1ecbch.<\/p>\n<div class=\"ptdm-hero-row\"><a class=\"ptdm-hero-cta\" href=\"https:\/\/sharptrader.arbitragesoftware.net\/Pairs_Trading_Strategy\">M\u1edf wiki \u2192<\/a><br \/>\n<a class=\"ptdm-hero-link\" href=\"\/product\/sharptrader-forex-crypto-arbitrage\/\">Trang s\u1ea3n ph\u1ea9m SharpTrader Pro<\/a><\/div>\n<div class=\"ptdm-hero-meta\"><strong>8<\/strong> ch\u1ebf \u0111\u1ed9 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y<br \/>\n<strong>5<\/strong> \u0111\u00e1nh ng\u01b0\u1ee3c \u00b7 <strong>3<\/strong> \u0111i theo<br \/>\n<strong>1<\/strong> s\u01a1 \u0111\u1ed3 ma tr\u1eadn<br \/>\n<strong>C\u1eadp nh\u1eadt<\/strong> th\u00e1ng 5\/2026<\/div>\n<\/div>\n<p><!-- ============================================================ --><br \/>\n<!-- H2 #1 \u2014 Refresher --><br \/>\n<!-- ============================================================ --><\/p>\n<h2>\u00d4n nhanh: Current Zindex v\u00e0 Zindex Open<\/h2>\n<div class=\"ptdm-answer\">\n<p><strong>Current Zindex<\/strong> l\u00e0 z-score theo th\u1eddi gian th\u1ef1c c\u1ee7a spread gi\u1eefa hai c\u00f4ng c\u1ee5 trong c\u1eb7p \u2014 spread hi\u1ec7n \u0111ang c\u00e1ch trung b\u00ecnh l\u1ecbch s\u1eed bao nhi\u00eau \u0111\u1ed9 l\u1ec7ch chu\u1ea9n. <strong>Zindex Open<\/strong> l\u00e0 ng\u01b0\u1ee1ng \u0111\u1ed9 l\u1edbn do nh\u00e0 giao d\u1ecbch c\u1ea5u h\u00ecnh: khi gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i c\u1ee7a z-score hi\u1ec7n t\u1ea1i v\u01b0\u1ee3t qua ng\u01b0\u1ee1ng n\u00e0y, chi\u1ebfn l\u01b0\u1ee3c \u0111\u01b0\u1ee3c ph\u00e9p m\u1edf v\u1ecb th\u1ebf. Sau \u0111\u00f3, tham s\u1ed1 <strong>Direction<\/strong> quy\u1ebft \u0111\u1ecbnh ch\u00e2n n\u00e0o l\u00e0 l\u1ec7nh mua v\u00e0 ch\u00e2n n\u00e0o l\u00e0 l\u1ec7nh b\u00e1n.<\/p>\n<\/div>\n<p>\u0110\u1ec3 c\u00f3 n\u1ec1n t\u1ea3ng kh\u00e1i ni\u1ec7m \u0111\u1ea7y \u0111\u1ee7 \u2014 \u0111\u1ed3ng li\u00ean k\u1ebft (cointegration) l\u00e0 g\u00ec, v\u00ec sao spread h\u1ed3i quy v\u1ec1 trung b\u00ecnh v\u00e0 z-score \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 th\u1ebf n\u00e0o \u2014 xem b\u00e0i tr\u1ee5 c\u1ed9t c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"\/forex-pairs-trading-statistical-arbitrage\/\">pairs trading forex v\u00e0 arbitrage th\u1ed1ng k\u00ea<\/a>. Trang n\u00e0y t\u1eadp trung c\u1ee5 th\u1ec3 v\u00e0o tham s\u1ed1 Direction v\u00e0 t\u00e1m gi\u00e1 tr\u1ecb m\u00e0 n\u00f3 c\u00f3 th\u1ec3 nh\u1eadn.<\/p>\n<div class=\"ptdm-callout\">\n<h3>M\u1ed9t \u0111i\u1ec3m l\u00e0m r\u00f5 gi\u00fap gi\u1ea3i t\u1ecfa ph\u1ea7n l\u1edbn nh\u1ea7m l\u1eabn<\/h3>\n<p>Wiki di\u1ec5n \u0111\u1ea1t \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t l\u00e0 \"Current Zindex l\u1edbn h\u01a1n gi\u00e1 tr\u1ecb Zindex Open.\" N\u1ebfu hi\u1ec3u theo ngh\u0129a \u0111en, \u0111i\u1ec1u ki\u1ec7n n\u00e0y s\u1ebd kh\u00f4ng th\u1ecfa khi Z-index hi\u1ec7n t\u1ea1i \u00e2m. Tr\u00ean th\u1ef1c t\u1ebf, ph\u00e9p ki\u1ec3m tra l\u00e0 <strong>so s\u00e1nh \u0111\u1ed9 l\u1edbn<\/strong>: <code>|Current Zindex| &gt; Zindex Open<\/code>. Zindex Open l\u00e0 ng\u01b0\u1ee1ng bi\u1ec3u th\u1ecb b\u1eb1ng s\u1ed1 d\u01b0\u01a1ng (v\u00ed d\u1ee5 2.0); chi\u1ebfn l\u01b0\u1ee3c k\u00edch ho\u1ea1t khi spread \u0111\u00e3 gi\u00e3n ra \u00edt nh\u1ea5t b\u1eb1ng kho\u1ea3ng \u0111\u00f3 so v\u1edbi trung b\u00ecnh, theo b\u1ea5t k\u1ef3 h\u01b0\u1edbng n\u00e0o. D\u1ea5u c\u1ee7a Current Zindex sau \u0111\u00f3 x\u00e1c \u0111\u1ecbnh b\u00ean n\u00e0o mua v\u00e0 b\u00ean n\u00e0o b\u00e1n.<\/p>\n<\/div>\n<p><!-- ============================================================ --><br \/>\n<!-- H2 #2 \u2014 Two camps --><br \/>\n<!-- ============================================================ --><\/p>\n<h2>Hai nh\u00f3m chi\u1ebfn l\u01b0\u1ee3c \u2014 v\u00e0 m\u1ed9t ngo\u1ea1i l\u1ec7<\/h2>\n<p>M\u1ed7i ch\u1ebf \u0111\u1ed9 Direction m\u00e3 h\u00f3a hai quy\u1ebft \u0111\u1ecbnh: <strong>khi n\u00e0o<\/strong> m\u1edf l\u1ec7nh (\u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t) v\u00e0 m\u1edf theo <strong>h\u01b0\u1edbng n\u00e0o<\/strong> (ph\u00e2n b\u1ed5 ch\u00e2n l\u1ec7nh). Nh\u00ecn c\u1ea3 t\u00e1m ch\u1ebf \u0111\u1ed9 c\u00f9ng l\u00fac, c\u00f3 ba m\u00f4 h\u00ecnh n\u1ed5i b\u1eadt:<\/p>\n<ul class=\"ptdm-list\">\n<li><strong>\u0110\u00e1nh ng\u01b0\u1ee3c s\u1ef1 ph\u00e2n k\u1ef3<\/strong> (\u0111\u1eb7t c\u01b0\u1ee3c h\u1ed3i quy v\u1ec1 trung b\u00ecnh). Spread \u0111\u00e3 gi\u00e3n ra; giao d\u1ecbch \u0111\u1eb7t c\u01b0\u1ee3c n\u00f3 s\u1ebd quay v\u1ec1 trung b\u00ecnh. <strong>5 ch\u1ebf \u0111\u1ed9:<\/strong> ZIndexBased, PriceBased, Buy1Sell2, Sell1Buy2, ZIndexSign.<\/li>\n<li><strong>\u0110i theo s\u1ef1 ph\u00e2n k\u1ef3<\/strong> (\u0111\u1eb7t c\u01b0\u1ee3c \u0111\u1ed9ng l\u01b0\u1ee3ng). Spread \u0111\u00e3 gi\u00e3n ra; giao d\u1ecbch \u0111\u1eb7t c\u01b0\u1ee3c n\u00f3 s\u1ebd ti\u1ebfp t\u1ee5c gi\u00e3n th\u00eam. <strong>2 ch\u1ebf \u0111\u1ed9:<\/strong> Reversed, ZIndexSignInv.<\/li>\n<li><strong>Ngo\u1ea1i l\u1ec7<\/strong> \u2014 Inversed. \u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t b\u1ecb <em>\u0111\u1ea3o ng\u01b0\u1ee3c<\/em>: thay v\u00ec ch\u1edd spread gi\u00e3n v\u01b0\u1ee3t ng\u01b0\u1ee1ng, giao d\u1ecbch \u0111\u01b0\u1ee3c m\u1edf khi spread v\u1eabn c\u00f2n <strong>b\u00ean trong<\/strong> d\u1ea3i, \u0111\u1eb7t c\u01b0\u1ee3c n\u00f3 s\u1ebd gi\u00e3n ra ngo\u00e0i. \u0110\u00e2y l\u00e0 ch\u1ebf \u0111\u1ed9 duy nh\u1ea5t k\u00edch ho\u1ea1t g\u1ea7n trung b\u00ecnh thay v\u00ec \u1edf c\u00e1c c\u1ef1c tr\u1ecb.<\/li>\n<\/ul>\n<p><!-- Figure: upload sharptrader-direction-modes-matrix.png to WP Media Library; adjust src if path differs --><\/p>\n<div class=\"ptdm-fig\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-13073\" src=\"https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/05\/sharptrader-direction-modes-matrix-1024x643.png\" alt=\"Ma tr\u1eadn c\u1ea3 8 ch\u1ebf \u0111\u1ed9 Direction trong pairs trading c\u1ee7a SharpTrader: 5 ch\u1ebf \u0111\u1ed9 \u0111\u00e1nh ng\u01b0\u1ee3c (ZIndexBased, PriceBased, Buy1Sell2, Sell1Buy2, ZIndexSign) thu\u1ed9c nh\u00f3m h\u1ed3i quy v\u1ec1 trung b\u00ecnh, 3 ch\u1ebf \u0111\u1ed9 \u0111i theo (Reversed, ZIndexSignInv, Inversed) thu\u1ed9c nh\u00f3m \u0111\u1ed9ng l\u01b0\u1ee3ng, m\u1ed7i th\u1ebb th\u1ec3 hi\u1ec7n \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t v\u00e0 h\u00e0nh \u0111\u1ed9ng\" width=\"1024\" height=\"643\" srcset=\"https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/05\/sharptrader-direction-modes-matrix-1024x643.png 1024w, https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/05\/sharptrader-direction-modes-matrix-300x188.png 300w, https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/05\/sharptrader-direction-modes-matrix-768x482.png 768w, https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/05\/sharptrader-direction-modes-matrix-1536x964.png 1536w, https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/05\/sharptrader-direction-modes-matrix-680x427.png 680w, https:\/\/bjftradinggroup.com\/wp-content\/uploads\/2026\/05\/sharptrader-direction-modes-matrix.png 1720w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div>\n<p class=\"ptdm-figcap\">H\u00ecnh 1 \u2014 T\u1ed5ng quan c\u1ea3 8 ch\u1ebf \u0111\u1ed9 Direction. Vi\u1ec1n v\u00e0ng = \u0111\u00e1nh ng\u01b0\u1ee3c s\u1ef1 ph\u00e2n k\u1ef3 (h\u1ed3i quy v\u1ec1 trung b\u00ecnh). Vi\u1ec1n \u0111\u1ecf = \u0111i theo s\u1ef1 ph\u00e2n k\u1ef3 (\u0111\u1ed9ng l\u01b0\u1ee3ng). Th\u1ebb Inversed c\u00f3 d\u1ea5u \"k\u00edch ho\u1ea1t \u0111\u1ea3o ng\u01b0\u1ee3c\" v\u00ec n\u00f3 v\u00e0o l\u1ec7nh khi spread v\u1eabn c\u00f2n trong d\u1ea3i ng\u01b0\u1ee1ng.<\/p>\n<p><!-- ============================================================ --><br \/>\n<!-- H2 #3 \u2014 Mode by mode --><br \/>\n<!-- ============================================================ --><\/p>\n<h2>Tham kh\u1ea3o t\u1eebng ch\u1ebf \u0111\u1ed9<\/h2>\n<p>M\u1ed7i ch\u1ebf \u0111\u1ed9 d\u01b0\u1edbi \u0111\u00e2y li\u1ec7t k\u00ea \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t (khi n\u00e0o k\u00edch ho\u1ea1t), quy t\u1eafc ph\u00e2n b\u1ed5 ch\u00e2n l\u1ec7nh (b\u00ean n\u00e0o mua, b\u00ean n\u00e0o b\u00e1n), m\u1ed9t v\u00ed d\u1ee5 s\u1ed1 c\u1ee5 th\u1ec3 v\u00e0 lo\u1ea1i thi\u1ebft l\u1eadp m\u00e0 ch\u1ebf \u0111\u1ed9 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho.<\/p>\n<h3>ZIndexBased <span class=\"ptdm-tag ptdm-fade\">\u0110\u00c1NH NG\u01af\u1ee2C<\/span><\/h3>\n<div class=\"ptdm-mode\">\n<p><span class=\"ptdm-label\">K\u00edch ho\u1ea1t<\/span> <code>|Current Zindex| &gt; Zindex Open<\/code><\/p>\n<p><span class=\"ptdm-label\">H\u00e0nh \u0111\u1ed9ng<\/span> N\u1ebfu Current Zindex \u2265 0 \u2192 <strong>b\u00e1n<\/strong> b\u00ean tr\u00e1i, <strong>mua<\/strong> b\u00ean ph\u1ea3i. N\u1ebfu Current Zindex &lt; 0 \u2192 <strong>mua<\/strong> b\u00ean tr\u00e1i, <strong>b\u00e1n<\/strong> b\u00ean ph\u1ea3i.<\/p>\n<p><span class=\"ptdm-label\">V\u00ed d\u1ee5<\/span> Zindex Open = 2.0, Current Zindex = +2.3. Ch\u1ebf \u0111\u1ed9 n\u00e0y b\u00e1n ch\u00e2n tr\u00e1i v\u00e0 mua ch\u00e2n ph\u1ea3i, \u0111\u1eb7t c\u01b0\u1ee3c spread quay v\u1ec1 g\u1ea7n 0.<\/p>\n<p><span class=\"ptdm-label\">Khi n\u00e0o d\u00f9ng<\/span> ch\u1ebf \u0111\u1ed9 \u0111\u00e1nh ng\u01b0\u1ee3c m\u1eb7c \u0111\u1ecbnh. D\u00f9ng khi b\u1ea1n tin d\u1ea5u c\u1ee7a z-score l\u00e0 t\u00edn hi\u1ec7u h\u01b0\u1edbng r\u00f5 r\u00e0ng v\u00e0 mu\u1ed1n h\u00e0nh vi \u0111\u1ed1i x\u1ee9ng \u1edf c\u1ea3 hai c\u1ef1c c\u1ee7a spread. \u0110\u00e2y l\u00e0 c\u1ea5u h\u00ecnh kh\u1edfi \u0111\u1ea7u ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n<\/div>\n<h3>PriceBased <span class=\"ptdm-tag ptdm-fade\">\u0110\u00c1NH NG\u01af\u1ee2C<\/span><\/h3>\n<div class=\"ptdm-mode\">\n<p><span class=\"ptdm-label\">K\u00edch ho\u1ea1t<\/span> <code>|Current Zindex| &gt; Zindex Open<\/code><\/p>\n<p><span class=\"ptdm-label\">H\u00e0nh \u0111\u1ed9ng<\/span> N\u1ebfu Current Ask b\u00ean tr\u00e1i &gt; Current Ask b\u00ean ph\u1ea3i \u2192 <strong>b\u00e1n<\/strong> tr\u00e1i, <strong>mua<\/strong> ph\u1ea3i. Ng\u01b0\u1ee3c l\u1ea1i \u2192 <strong>mua<\/strong> tr\u00e1i, <strong>b\u00e1n<\/strong> ph\u1ea3i.<\/p>\n<p><span class=\"ptdm-label\">V\u00ed d\u1ee5<\/span> Zindex Open = 2.0, Current Zindex = +2.3. Ask tr\u00e1i = 1.0850, Ask ph\u1ea3i = 1.2640. V\u00ec Ask b\u00ean ph\u1ea3i cao h\u01a1n, ch\u1ebf \u0111\u1ed9 n\u00e0y mua b\u00ean tr\u00e1i v\u00e0 b\u00e1n b\u00ean ph\u1ea3i.<\/p>\n<p>Khi n\u00e0o d\u00f9ng: Khi h\u1ec7 s\u1ed1 \u03b2 (h\u1ec7 s\u1ed1 \u0111\u1ed3ng li\u00ean k\u1ebft) \u0111\u1ee7 b\u1ea5t \u0111\u1ed1i x\u1ee9ng \u0111\u1ec3 vi\u1ec7c so s\u00e1nh Ask th\u00f4 l\u00e0 t\u00edn hi\u1ec7u h\u01b0\u1edbng \u0111\u00e1ng tin c\u1eady h\u01a1n d\u1ea5u c\u1ee7a z-score. M\u1ed9t s\u1ed1 nh\u00e0 giao d\u1ecbch \u01b0a d\u00f9ng PriceBased cho c\u00e1c c\u1eb7p m\u00e0 hai c\u00f4ng c\u1ee5 giao d\u1ecbch \u1edf thang gi\u00e1 tuy\u1ec7t \u0111\u1ed1i r\u1ea5t kh\u00e1c nhau.<\/p>\n<\/div>\n<h3>Buy1Sell2 <span class=\"ptdm-tag ptdm-fade\">\u0110\u00c1NH NG\u01af\u1ee2C<\/span> <span class=\"ptdm-tag ptdm-flip\">M\u1ed8T CHI\u1ec0U<\/span><\/h3>\n<div class=\"ptdm-mode\">\n<p><span class=\"ptdm-label\">K\u00edch ho\u1ea1t<\/span> <code>|Current Zindex| &gt; Zindex Open<\/code> <strong>V\u00c0<\/strong> <code>Current Zindex &lt; 0<\/code><\/p>\n<p><span class=\"ptdm-label\">H\u00e0nh \u0111\u1ed9ng<\/span> <strong>Mua<\/strong> b\u00ean tr\u00e1i, <strong>b\u00e1n<\/strong> b\u00ean ph\u1ea3i. (H\u01b0\u1edbng c\u1ed1 \u0111\u1ecbnh; ch\u1ebf \u0111\u1ed9 kh\u00f4ng v\u00e0o l\u1ec7nh khi Current Zindex \u2265 0.)<\/p>\n<p><span class=\"ptdm-label\">V\u00ed d\u1ee5<\/span> Zindex Open = 2.0, Current Zindex = \u22122.4. Ch\u1ebf \u0111\u1ed9 n\u00e0y mua b\u00ean tr\u00e1i v\u00e0 b\u00e1n b\u00ean ph\u1ea3i. N\u1ebfu Z-index hi\u1ec7n t\u1ea1i l\u00e0 +2.4 th\u00ec kh\u00f4ng m\u1edf l\u1ec7nh n\u00e0o.<\/p>\n<p><span class=\"ptdm-label\">Khi n\u00e0o d\u00f9ng<\/span> Khi b\u1ea1n ch\u1ec9 mu\u1ed1n giao d\u1ecbch ph\u00eda Zindex \u00e2m c\u1ee7a spread. L\u00fd do th\u1ef1c t\u1ebf: quan \u0111i\u1ec3m v\u1ec1 ch\u1ebf \u0111\u1ed9 th\u1ecb tr\u01b0\u1eddng c\u00f3 h\u01b0\u1edbng, b\u1ea5t \u0111\u1ed1i x\u1ee9ng k\u00fd qu\u1ef9 c\u1ee7a broker, ho\u1eb7c c\u1eb7p c\u00f3 h\u00e0nh vi m\u1ed9t chi\u1ec1u m\u00e0 trong l\u1ecbch s\u1eed ch\u1ec9 c\u00e1c thi\u1ebft l\u1eadp Zindex th\u1ea5p m\u1edbi c\u00f3 l\u00e3i.<\/p>\n<\/div>\n<h3>Sell1Buy2 <span class=\"ptdm-tag ptdm-fade\">\u0110\u00c1NH NG\u01af\u1ee2C<\/span> <span class=\"ptdm-tag ptdm-flip\">M\u1ed8T CHI\u1ec0U<\/span><\/h3>\n<div class=\"ptdm-mode\">\n<p><span class=\"ptdm-label\">K\u00edch ho\u1ea1t<\/span> <code>|Current Zindex| &gt; Zindex Open<\/code> <strong>V\u00c0<\/strong> <code>Current Zindex \u2265 0<\/code><\/p>\n<p><span class=\"ptdm-label\">H\u00e0nh \u0111\u1ed9ng<\/span> <strong>B\u00e1n<\/strong> b\u00ean tr\u00e1i, <strong>mua<\/strong> b\u00ean ph\u1ea3i. (H\u01b0\u1edbng c\u1ed1 \u0111\u1ecbnh; ch\u1ebf \u0111\u1ed9 kh\u00f4ng v\u00e0o l\u1ec7nh khi Current Zindex &lt; 0.)<\/p>\n<p><span class=\"ptdm-label\">V\u00ed d\u1ee5<\/span> Zindex Open = 2.0, Current Zindex = +2.4. B\u00e1n b\u00ean tr\u00e1i v\u00e0 mua b\u00ean ph\u1ea3i. N\u1ebfu Z-index hi\u1ec7n t\u1ea1i l\u00e0 \u22122.4 th\u00ec kh\u00f4ng m\u1edf l\u1ec7nh n\u00e0o.<\/p>\n<p><span class=\"ptdm-label\">Khi n\u00e0o d\u00f9ng<\/span> H\u00ecnh \u1ea3nh ph\u1ea3n chi\u1ebfu c\u1ee7a Buy1Sell2 \u2014 khi b\u1ea1n ch\u1ec9 mu\u1ed1n c\u00e1c thi\u1ebft l\u1eadp Zindex d\u01b0\u01a1ng. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng c\u00f9ng Buy1Sell2 tr\u00ean hai phi\u00ean b\u1ea3n chi\u1ebfn l\u01b0\u1ee3c ri\u00eang bi\u1ec7t \u0111\u1ec3 ch\u1ea1y m\u1ed7i ph\u00eda \u0111\u1ed9c l\u1eadp v\u1edbi quy m\u00f4 kh\u00e1c nhau.<\/p>\n<\/div>\n<h3>ZIndexSign <span class=\"ptdm-tag ptdm-fade\">\u0110\u00c1NH NG\u01af\u1ee2C<\/span><\/h3>\n<div class=\"ptdm-mode\">\n<p><span class=\"ptdm-label\">K\u00edch ho\u1ea1t<\/span> <code>|Current Zindex| &gt; |Zindex Open|<\/code> <strong>V\u00c0<\/strong> Current Zindex v\u00e0 Zindex Open c\u00f9ng d\u1ea5u<\/p>\n<p><span class=\"ptdm-label\">H\u00e0nh \u0111\u1ed9ng<\/span> N\u1ebfu Current Zindex \u2265 0 \u2192 <strong>b\u00e1n<\/strong> tr\u00e1i, <strong>mua<\/strong> ph\u1ea3i. N\u1ebfu Current Zindex &lt; 0 \u2192 <strong>mua<\/strong> tr\u00e1i, <strong>b\u00e1n<\/strong> ph\u1ea3i.<\/p>\n<p><span class=\"ptdm-label\">V\u00ed d\u1ee5<\/span> Zindex Open \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00e0 +2.0 (c\u00f3 d\u1ea5u r\u00f5 r\u00e0ng). Current Zindex = +2.4 \u2192 c\u00f9ng d\u1ea5u \u2192 b\u00e1n tr\u00e1i, mua ph\u1ea3i. Current Zindex = \u22122.4 \u2192 kh\u00e1c d\u1ea5u \u2192 <em>kh\u00f4ng m\u1edf l\u1ec7nh n\u00e0o<\/em>.<\/p>\n<p>Khi n\u00e0o d\u00f9ng phi\u00ean b\u1ea3n ch\u1eb7t ch\u1ebd h\u01a1n c\u1ee7a ZIndexBased? D\u00f9ng khi b\u1ea1n mu\u1ed1n chi\u1ebfn l\u01b0\u1ee3c ch\u1ec9 giao d\u1ecbch theo h\u01b0\u1edbng m\u00e0 ng\u01b0\u1ee1ng ban \u0111\u1ea7u \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u2014 h\u1eefu \u00edch cho vi\u1ec7c v\u00e0o l\u1ec7nh theo giai \u0111o\u1ea1n ho\u1eb7c c\u00f3 h\u01b0\u1edbng, khi b\u1ea1n kh\u00f4ng mu\u1ed1n chi\u1ebfn l\u01b0\u1ee3c k\u00edch ho\u1ea1t \u1edf c\u1ef1c \u0111\u1ed1i di\u1ec7n.<\/p>\n<\/div>\n<h3>Reversed <span class=\"ptdm-tag ptdm-ride\">\u0110I THEO<\/span><\/h3>\n<div class=\"ptdm-mode ptdm-mode-ride\">\n<p><span class=\"ptdm-label\">K\u00edch ho\u1ea1t<\/span> <code>|Current Zindex| &gt; Zindex Open<\/code><\/p>\n<p><span class=\"ptdm-label\">H\u00e0nh \u0111\u1ed9ng<\/span> N\u1ebfu Current Zindex \u2265 0 \u2192 <strong>mua<\/strong> tr\u00e1i, <strong>b\u00e1n<\/strong> ph\u1ea3i. N\u1ebfu Current Zindex &lt; 0 \u2192 <strong>b\u00e1n<\/strong> tr\u00e1i, <strong>mua<\/strong> ph\u1ea3i. (Ph\u00e2n b\u1ed5 ch\u00e2n l\u1ec7nh ng\u01b0\u1ee3c v\u1edbi ZIndexBased.)<\/p>\n<p><span class=\"ptdm-label\">V\u00ed d\u1ee5<\/span> Zindex Open = 2.0, Current Zindex = +2.3. Ch\u1ebf \u0111\u1ed9 n\u00e0y mua b\u00ean tr\u00e1i v\u00e0 b\u00e1n b\u00ean ph\u1ea3i, \u0111\u1eb7t c\u01b0\u1ee3c spread ti\u1ebfp t\u1ee5c gi\u00e3n xa h\u01a1n kh\u1ecfi trung b\u00ecnh.<\/p>\n<p><span class=\"ptdm-label\">Khi n\u00e0o d\u00f9ng<\/span> \u0110\u1eb7t c\u01b0\u1ee3c \u0111\u1ed9ng l\u01b0\u1ee3ng tr\u00ean spread \u2014 ng\u01b0\u1ee3c l\u1ea1i v\u1edbi h\u1ed3i quy v\u1ec1 trung b\u00ecnh. Ph\u00f9 h\u1ee3p khi c\u1eb7p \u0111ang tr\u1ea3i qua giai \u0111o\u1ea1n m\u00e0 s\u1ef1 ph\u00e2n k\u1ef3 m\u1edf r\u1ed9ng th\u00eam tr\u01b0\u1edbc khi quay l\u1ea1i (v\u00ed d\u1ee5 m\u1ed9t \u0111\u1ed3ng ti\u1ec1n \u0111ang c\u00f3 xu h\u01b0\u1edbng m\u1ea1nh). R\u1ee7i ro cao h\u01a1n c\u00e1c ch\u1ebf \u0111\u1ed9 \u0111\u00e1nh ng\u01b0\u1ee3c v\u00ec khi t\u01b0\u01a1ng quan b\u1ecb ph\u00e1 v\u1ee1, th\u01b0\u1eddng th\u1ea5t b\u1ea1i theo h\u01b0\u1edbng n\u00e0y tr\u01b0\u1edbc.<\/p>\n<\/div>\n<h3>ZIndexSignInv <span class=\"ptdm-tag ptdm-ride\">\u0110I THEO<\/span><\/h3>\n<div class=\"ptdm-mode ptdm-mode-ride\">\n<p><span class=\"ptdm-label\">K\u00edch ho\u1ea1t<\/span> <code>|Current Zindex| &gt; |Zindex Open|<\/code> <strong>V\u00c0<\/strong> Current Zindex v\u00e0 Zindex Open c\u00f9ng d\u1ea5u<\/p>\n<p><span class=\"ptdm-label\">H\u00e0nh \u0111\u1ed9ng<\/span> N\u1ebfu Current Zindex \u2265 0 \u2192 <strong>mua<\/strong> tr\u00e1i, <strong>b\u00e1n<\/strong> ph\u1ea3i. N\u1ebfu Current Zindex &lt; 0 \u2192 <strong>b\u00e1n<\/strong> tr\u00e1i, <strong>mua<\/strong> ph\u1ea3i.<\/p>\n<p><span class=\"ptdm-label\">V\u00ed d\u1ee5<\/span> Zindex Open = +2.0, Current Zindex = +2.4. C\u00f9ng d\u1ea5u v\u00e0 v\u01b0\u1ee3t \u0111\u1ed9 l\u1edbn \u2192 mua tr\u00e1i, b\u00e1n ph\u1ea3i (\u0111i theo bi\u1ebfn \u0111\u1ed9ng).<\/p>\n<p><span class=\"ptdm-label\">Khi n\u00e0o d\u00f9ng<\/span> Phi\u00ean b\u1ea3n ch\u1eb7t ch\u1ebd h\u01a1n c\u1ee7a Reversed \u2014 \u0111\u1eb7t c\u01b0\u1ee3c \u0111\u1ed9ng l\u01b0\u1ee3ng, nh\u01b0ng ch\u1ec9 khi spread \u0111\u00e3 gi\u00e3n xa h\u01a1n theo h\u01b0\u1edbng \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh ban \u0111\u1ea7u. Y\u00eau c\u1ea7u c\u00f9ng d\u1ea5u gi\u00fap l\u1ecdc b\u1ecf c\u00e1c l\u1ea7n k\u00edch ho\u1ea1t gi\u1ea3 \u1edf c\u1ef1c \u0111\u1ed1i di\u1ec7n.<\/p>\n<\/div>\n<h3>Inversed <span class=\"ptdm-tag ptdm-ride\">\u0110I THEO<\/span> <span class=\"ptdm-tag ptdm-flip\">K\u00cdCH HO\u1ea0T \u0110\u1ea2O NG\u01af\u1ee2C<\/span><\/h3>\n<div class=\"ptdm-mode ptdm-mode-ride\">\n<p><span class=\"ptdm-label\">K\u00edch ho\u1ea1t<\/span> <code>|Current Zindex| &lt; Zindex Open<\/code> \u2014 <strong>l\u01b0u \u00fd b\u1ea5t \u0111\u1eb3ng th\u1ee9c b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c<\/strong>. Ch\u1ebf \u0111\u1ed9 n\u00e0y v\u00e0o l\u1ec7nh khi spread n\u1eb1m <em>b\u00ean trong<\/em> d\u1ea3i ng\u01b0\u1ee1ng, kh\u00f4ng ph\u1ea3i v\u01b0\u1ee3t ra ngo\u00e0i.<\/p>\n<p><span class=\"ptdm-label\">H\u00e0nh \u0111\u1ed9ng<\/span> N\u1ebfu Current Zindex \u2265 0 \u2192 <strong>mua<\/strong> tr\u00e1i, <strong>b\u00e1n<\/strong> ph\u1ea3i. N\u1ebfu Current Zindex &lt; 0 \u2192 <strong>b\u00e1n<\/strong> tr\u00e1i, <strong>mua<\/strong> ph\u1ea3i.<\/p>\n<p><span class=\"ptdm-label\">V\u00ed d\u1ee5<\/span> Zindex Open = 2.0, Current Zindex = +0.6. \u0110\u1ed9 l\u1edbn n\u1eb1m trong d\u1ea3i \u2192 mua tr\u00e1i, b\u00e1n ph\u1ea3i, \u0111\u1eb7t c\u01b0\u1ee3c spread s\u1ebd gi\u00e3n ra ngo\u00e0i.<\/p>\n<p><span class=\"ptdm-label\">Khi n\u00e0o d\u00f9ng<\/span> Thi\u1ebft l\u1eadp \u0111\u1ed9ng l\u01b0\u1ee3ng chuy\u00ean bi\u1ec7t: b\u1ea1n tin spread \u0111ang \u1edf giai \u0111o\u1ea1n m\u00e0 c\u00e1c \u0111\u1ed9 l\u1ec7ch nh\u1ecf m\u1edf r\u1ed9ng th\u00e0nh \u0111\u1ed9 l\u1ec7ch l\u1edbn thay v\u00ec quay l\u1ea1i. V\u1ec1 th\u1ef1c ch\u1ea5t l\u00e0 tri\u1ebft l\u00fd ng\u01b0\u1ee3c v\u1edbi m\u1ecdi ch\u1ebf \u0111\u1ed9 kh\u00e1c \u2014 thay v\u00ec ch\u1edd c\u1ef1c tr\u1ecb, ch\u1ebf \u0111\u1ed9 n\u00e0y v\u00e0o l\u1ec7nh s\u1edbm v\u00e0 \u0111i theo s\u1ef1 gi\u00e3n ra. Ch\u1ec9 n\u00ean d\u00f9ng h\u1ea1n ch\u1ebf, v\u1edbi c\u00e1c c\u1eb7p c\u00f3 h\u00e0nh vi ti\u1ebfp di\u1ec5n ph\u00e2n k\u1ef3 \u0111\u01b0\u1ee3c quan s\u00e1t r\u00f5.<\/p>\n<\/div>\n<p><!-- ============================================================ --><br \/>\n<!-- H2 #4 \u2014 Comparison table --><br \/>\n<!-- ============================================================ --><\/p>\n<h2>So s\u00e1nh song song c\u1ea3 8 ch\u1ebf \u0111\u1ed9<\/h2>\n<table class=\"ptdm-tbl\">\n<thead>\n<tr>\n<th>Ch\u1ebf \u0111\u1ed9<\/th>\n<th>\u0110i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t<\/th>\n<th>Khi Z \u2265 0<\/th>\n<th>Khi Z &lt; 0<\/th>\n<th>Nh\u00f3m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"ptdm-row-fade\">\n<td class=\"ptdm-cell-feat\">ZIndexBased<\/td>\n<td><code>|Z| &gt; Open<\/code><\/td>\n<td>B\u00e1n T, Mua P<\/td>\n<td>Mua T, B\u00e1n P<\/td>\n<td>\u0110\u00e1nh ng\u01b0\u1ee3c<\/td>\n<\/tr>\n<tr class=\"ptdm-row-fade\">\n<td class=\"ptdm-cell-feat\">PriceBased<\/td>\n<td><code>|Z| &gt; Open<\/code><\/td>\n<td colspan=\"2\">Theo Ask th\u00f4: Ask cao h\u01a1n \u2192 b\u00e1n, Ask th\u1ea5p h\u01a1n \u2192 mua<\/td>\n<td>\u0110\u00e1nh ng\u01b0\u1ee3c<\/td>\n<\/tr>\n<tr class=\"ptdm-row-fade\">\n<td class=\"ptdm-cell-feat\">Buy1Sell2<\/td>\n<td><code>|Z| &gt; Open<\/code> V\u00c0 <code>Z &lt; 0<\/code><\/td>\n<td><em>kh\u00f4ng v\u00e0o l\u1ec7nh<\/em><\/td>\n<td>Mua T, B\u00e1n P<\/td>\n<td>\u0110\u00e1nh ng\u01b0\u1ee3c<\/td>\n<\/tr>\n<tr class=\"ptdm-row-fade\">\n<td class=\"ptdm-cell-feat\">Sell1Buy2<\/td>\n<td><code>|Z| &gt; Open<\/code> V\u00c0 <code>Z \u2265 0<\/code><\/td>\n<td>B\u00e1n T, Mua P<\/td>\n<td><em>kh\u00f4ng v\u00e0o l\u1ec7nh<\/em><\/td>\n<td>\u0110\u00e1nh ng\u01b0\u1ee3c<\/td>\n<\/tr>\n<tr class=\"ptdm-row-fade\">\n<td class=\"ptdm-cell-feat\">ZIndexSign<\/td>\n<td><code>|Z| &gt; |Open|<\/code> V\u00c0 c\u00f9ng d\u1ea5u<\/td>\n<td>B\u00e1n T, Mua P<\/td>\n<td>Mua T, B\u00e1n P<\/td>\n<td>\u0110\u00e1nh ng\u01b0\u1ee3c<\/td>\n<\/tr>\n<tr class=\"ptdm-row-ride\">\n<td class=\"ptdm-cell-feat\">Reversed<\/td>\n<td><code>|Z| &gt; Open<\/code><\/td>\n<td>Mua T, B\u00e1n P<\/td>\n<td>B\u00e1n T, Mua P<\/td>\n<td>\u0110i theo<\/td>\n<\/tr>\n<tr class=\"ptdm-row-ride\">\n<td class=\"ptdm-cell-feat\">ZIndexSignInv<\/td>\n<td><code>|Z| &gt; |Open|<\/code> V\u00c0 c\u00f9ng d\u1ea5u<\/td>\n<td>Mua T, B\u00e1n P<\/td>\n<td>B\u00e1n T, Mua P<\/td>\n<td>\u0110i theo<\/td>\n<\/tr>\n<tr class=\"ptdm-row-ride\">\n<td class=\"ptdm-cell-feat\">Inversed<\/td>\n<td><code>|Z| &lt; Open<\/code>  (\u0111\u1ea3o ng\u01b0\u1ee3c)<\/td>\n<td>Mua T, B\u00e1n P<\/td>\n<td>B\u00e1n T, Mua P<\/td>\n<td>\u0110i theo<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- ============================================================ --><br \/>\n<!-- H2 #5 \u2014 Which to use --><br \/>\n<!-- ============================================================ --><\/p>\n<h2>B\u1ea1n n\u00ean ch\u1ecdn ch\u1ebf \u0111\u1ed9 n\u00e0o?<\/h2>\n<p>Kh\u00f4ng c\u00f3 ch\u1ebf \u0111\u1ed9 \"\u0111\u00fang\" duy nh\u1ea5t \u2014 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eadn \u0111\u1ecbnh c\u1ee7a b\u1ea1n v\u1ec1 h\u00e0nh vi c\u1ee7a c\u1eb7p v\u00e0 \u0111i\u1ec1u b\u1ea1n mu\u1ed1n chi\u1ebfn l\u01b0\u1ee3c l\u00e0m \u1edf m\u1ed7i c\u1ef1c. H\u01b0\u1edbng d\u1eabn th\u1ef1c t\u1ebf:<\/p>\n<ul class=\"ptdm-list\">\n<li><strong>B\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u1ea7u v\u1edbi m\u1ed9t c\u1eb7p m\u1edbi?<\/strong> D\u00f9ng <strong>ZIndexBased<\/strong>. \u0110\u00e2y l\u00e0 ch\u1ebf \u0111\u1ed9 \u0111\u00e1nh ng\u01b0\u1ee3c m\u1eb7c \u0111\u1ecbnh g\u1ecdn g\u00e0ng nh\u1ea5t v\u00e0 cho b\u1ea1n c\u00e1c \u0111i\u1ec3m v\u00e0o \u0111\u1ed1i x\u1ee9ng \u1edf c\u1ea3 hai ph\u00eda c\u1ee7a spread.<\/li>\n<li><strong>C\u1eb7p m\u00e0 hai c\u00f4ng c\u1ee5 c\u00f3 thang gi\u00e1 r\u1ea5t kh\u00e1c nhau (kh\u00e1c b\u1eadc \u0111\u1ed9 l\u1edbn)?<\/strong> Th\u1eed <strong>PriceBased<\/strong>. N\u00f3 d\u00f9ng so s\u00e1nh Ask th\u00f4 thay cho d\u1ea5u z-score, c\u00f3 th\u1ec3 \u0111\u00e1ng tin c\u1eady h\u01a1n khi \u03b2 kh\u00e1c xa 1.0.<\/li>\n<li><strong>Mu\u1ed1n ch\u1ea1y hai chi\u1ebfn l\u01b0\u1ee3c v\u1edbi quy m\u00f4 \u0111\u1ed9c l\u1eadp, m\u1ed7i chi\u1ebfn l\u01b0\u1ee3c cho m\u1ed9t ph\u00eda spread?<\/strong> Ch\u1ea1y <strong>Buy1Sell2<\/strong> tr\u00ean m\u1ed9t phi\u00ean b\u1ea3n (ch\u1ec9 ph\u00eda \u00e2m) v\u00e0 <strong>Sell1Buy2<\/strong> tr\u00ean phi\u00ean b\u1ea3n kh\u00e1c (ch\u1ec9 ph\u00eda d\u01b0\u01a1ng). C\u00e1ch n\u00e0y cho ph\u00e9p b\u1ea1n \u0111\u1eb7t quy m\u00f4 v\u00e0 d\u1eebng l\u1ed7 cho t\u1eebng ph\u00eda \u0111\u1ed9c l\u1eadp.<\/li>\n<li><strong>Lo ng\u1ea1i k\u00edch ho\u1ea1t gi\u1ea3 khi spread c\u1eaft qua 0 nhanh?<\/strong> D\u00f9ng <strong>ZIndexSign<\/strong>. N\u00f3 ch\u1ec9 k\u00edch ho\u1ea1t khi Current v\u00e0 Open c\u00f9ng d\u1ea5u, l\u1ecdc b\u1ecf nhi\u1ec5u \u1edf ph\u00eda \u0111\u1ed1i di\u1ec7n.<\/li>\n<li><strong>Giao d\u1ecbch m\u1ed9t c\u1eb7p trong giai \u0111o\u1ea1n m\u00e0 s\u1ef1 ph\u00e2n k\u1ef3 ti\u1ebfp di\u1ec5n thay v\u00ec quay l\u1ea1i?<\/strong> <strong>Reversed<\/strong> (ho\u1eb7c <strong>ZIndexSignInv<\/strong> cho phi\u00ean b\u1ea3n ch\u1eb7t ch\u1ebd h\u01a1n). \u0110\u00e2y l\u00e0 \u0111\u1eb7t c\u01b0\u1ee3c \u0111\u1ed9ng l\u01b0\u1ee3ng \u2014 ph\u01b0\u01a1ng sai cao h\u01a1n, v\u00e0 b\u1ea1n n\u00ean \u0111i\u1ec1u ch\u1ec9nh quy m\u00f4 t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<li><strong>Thi\u1ebft l\u1eadp chuy\u00ean bi\u1ec7t khi b\u1ea1n mu\u1ed1n v\u00e0o l\u1ec7nh g\u1ea7n trung b\u00ecnh v\u00e0 \u0111i theo s\u1ef1 gi\u00e3n ra?<\/strong> <strong>Inversed<\/strong> l\u00e0 ch\u1ebf \u0111\u1ed9 duy nh\u1ea5t l\u00e0m \u0111i\u1ec1u n\u00e0y. D\u00f9ng h\u1ea1n ch\u1ebf v\u00e0 ch\u1ec9 khi c\u00f3 b\u1eb1ng ch\u1ee9ng r\u00f5 r\u00e0ng r\u1eb1ng c\u1eb7p h\u00e0nh x\u1eed nh\u01b0 v\u1eady.<\/li>\n<\/ul>\n<div class=\"ptdm-take\">\n<h3>Ba quy t\u1eafc th\u1ef1c t\u1ebf<\/h3>\n<ul>\n<li><strong>Backtest ch\u1ebf \u0111\u1ed9 b\u1ea1n s\u1eafp tri\u1ec3n khai.<\/strong> Tham s\u1ed1 Direction kh\u00f4ng th\u1ec3 ho\u00e1n \u0111\u1ed5i t\u00f9y \u00fd \u2014 c\u00f9ng m\u1ed9t c\u1eb7p c\u00f3 th\u1ec3 cho \u0111\u01b0\u1eddng P&amp;L r\u1ea5t kh\u00e1c nhau v\u1edbi ZIndexBased so v\u1edbi Reversed. Ch\u1ea1y l\u1ea1i t\u1ed1i \u01b0u h\u00f3a cho ch\u1ebf \u0111\u1ed9 b\u1ea1n \u0111\u1ecbnh ch\u1ea1y th\u1ef1c.<\/li>\n<li><strong>Ch\u1ecdn ch\u1ebf \u0111\u1ed9 theo lu\u1eadn \u0111i\u1ec3m chi\u1ebfn l\u01b0\u1ee3c, kh\u00f4ng theo P&amp;L l\u1ecbch s\u1eed.<\/strong> N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 gi\u1ea3i th\u00edch <em>v\u00ec sao<\/em> m\u1ed9t ch\u1ebf \u0111\u1ed9 s\u1ebd hi\u1ec7u qu\u1ea3 tr\u00ean m\u1ed9t c\u1eb7p nh\u1ea5t \u0111\u1ecbnh, \u0111\u1eebng tri\u1ec3n khai n\u00f3 ch\u1ec9 v\u00ec k\u1ebft qu\u1ea3 backtest tr\u00f4ng \u0111\u1eb9p. Vi\u1ec7c ch\u1ecdn ch\u1ebf \u0111\u1ed9 n\u00ean d\u1ef1a tr\u00ean lu\u1eadn \u0111i\u1ec3m v\u1ec1 giai \u0111o\u1ea1n th\u1ecb tr\u01b0\u1eddng c\u1ee7a c\u1eb7p.<\/li>\n<li><strong>Kh\u00f4ng \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 gi\u1eefa phi\u00ean.<\/strong> \u0110\u1ed5i Direction khi \u0111ang c\u00f3 v\u1ecb th\u1ebf m\u1edf s\u1ebd khi\u1ebfn b\u1ea1n c\u00f3 c\u00e1c v\u1ecb th\u1ebf \u0111\u01b0\u1ee3c m\u1edf theo m\u1ed9t b\u1ed9 quy t\u1eafc trong khi logic tho\u00e1t l\u1ec7nh l\u1ea1i d\u1ef1a tr\u00ean b\u1ed9 quy t\u1eafc kh\u00e1c. \u0110\u00f3ng m\u1ecdi v\u1ecb th\u1ebf g\u1ecdn g\u00e0ng tr\u01b0\u1edbc khi \u0111\u1ed5i ch\u1ebf \u0111\u1ed9.<\/li>\n<\/ul>\n<\/div>\n<p><!-- ============================================================ --><br \/>\n<!-- H2 #6 \u2014 FAQ --><br \/>\n<!-- ============================================================ --><\/p>\n<h2 id=\"ptdm-faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<div class=\"ptdm-faq\">\n<div class=\"ptdm-faq-q\">\u201cCurrent Zindex &gt; Zindex Open\u201d trong wiki th\u1ef1c s\u1ef1 c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/div>\n<div class=\"ptdm-faq-a\">\n<p>N\u00f3 c\u00f3 ngh\u0129a l\u00e0 <code>|Current Zindex| &gt; Zindex Open<\/code> \u2014 m\u1ed9t ph\u00e9p so s\u00e1nh \u0111\u1ed9 l\u1edbn. Zindex Open l\u00e0 ng\u01b0\u1ee1ng bi\u1ec3u th\u1ecb b\u1eb1ng s\u1ed1 d\u01b0\u01a1ng (v\u00ed d\u1ee5 2.0), v\u00e0 chi\u1ebfn l\u01b0\u1ee3c k\u00edch ho\u1ea1t khi spread \u0111\u00e3 gi\u00e3n ra \u00edt nh\u1ea5t b\u1eb1ng kho\u1ea3ng \u0111\u00f3 so v\u1edbi trung b\u00ecnh, theo b\u1ea5t k\u1ef3 h\u01b0\u1edbng n\u00e0o. D\u1ea5u c\u1ee7a Current Zindex sau \u0111\u00f3 x\u00e1c \u0111\u1ecbnh ch\u00e2n n\u00e0o l\u00e0 l\u1ec7nh mua v\u00e0 ch\u00e2n n\u00e0o l\u00e0 l\u1ec7nh b\u00e1n, t\u00f9y theo ch\u1ebf \u0111\u1ed9 Direction \u0111\u01b0\u1ee3c ch\u1ecdn.<\/p>\n<\/div>\n<div class=\"ptdm-faq-q\">Kh\u00e1c bi\u1ec7t gi\u1eefa ZIndexBased v\u00e0 PriceBased l\u00e0 g\u00ec?<\/div>\n<div class=\"ptdm-faq-a\">\n<p>C\u1ea3 hai c\u00f3 c\u00f9ng \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t (<code>|Z| &gt; Open<\/code>) v\u00e0 \u0111\u1ec1u l\u00e0 ch\u1ebf \u0111\u1ed9 \u0111\u00e1nh ng\u01b0\u1ee3c. Kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf c\u00e1ch ch\u00fang ph\u00e2n b\u1ed5 ch\u00e2n l\u1ec7nh. <strong>ZIndexBased<\/strong> d\u00f9ng d\u1ea5u c\u1ee7a z-score: Z \u2265 0 ngh\u0129a l\u00e0 b\u00e1n tr\u00e1i \/ mua ph\u1ea3i, Z &lt; 0 th\u00ec ng\u01b0\u1ee3c l\u1ea1i. <strong>PriceBased<\/strong> b\u1ecf qua d\u1ea5u z-score v\u00e0 so s\u00e1nh gi\u00e1 Ask th\u00f4: b\u00ean gi\u00e1 cao h\u01a1n b\u1ecb b\u00e1n, b\u00ean gi\u00e1 th\u1ea5p h\u01a1n \u0111\u01b0\u1ee3c mua. PriceBased h\u1eefu \u00edch nh\u1ea5t khi hai c\u00f4ng c\u1ee5 trong c\u1eb7p c\u00f3 m\u1ee9c gi\u00e1 tuy\u1ec7t \u0111\u1ed1i r\u1ea5t kh\u00e1c nhau.<\/p>\n<\/div>\n<div class=\"ptdm-faq-q\">Khi n\u00e0o t\u00f4i n\u00ean d\u00f9ng Inversed?<\/div>\n<div class=\"ptdm-faq-a\">\n<p>Inversed l\u00e0 ch\u1ebf \u0111\u1ed9 duy nh\u1ea5t c\u00f3 \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t \u0111\u1ea3o ng\u01b0\u1ee3c \u2014 n\u00f3 v\u00e0o l\u1ec7nh khi spread n\u1eb1m <em>b\u00ean trong<\/em> d\u1ea3i (<code>|Z| &lt; Open<\/code>), kh\u00f4ng ph\u1ea3i v\u01b0\u1ee3t ra ngo\u00e0i. D\u00f9ng khi b\u1ea1n c\u00f3 b\u1eb1ng ch\u1ee9ng r\u00f5 r\u00e0ng r\u1eb1ng c\u1eb7p \u0111ang \u1edf giai \u0111o\u1ea1n m\u00e0 c\u00e1c \u0111\u1ed9 l\u1ec7ch spread nh\u1ecf m\u1edf r\u1ed9ng th\u00e0nh \u0111\u1ed9 l\u1ec7ch l\u1edbn thay v\u00ec quay l\u1ea1i. \u0110\u00e2y l\u00e0 thi\u1ebft l\u1eadp b\u1ea5t th\u01b0\u1eddng; h\u00e0nh vi m\u1eb7c \u0111\u1ecbnh c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c c\u1eb7p l\u00e0 h\u1ed3i quy v\u1ec1 trung b\u00ecnh, v\u00ec v\u1eady Inversed ch\u1ec9 n\u00ean d\u00e0nh cho nh\u1eefng giai \u0111o\u1ea1n c\u1ee5 th\u1ec3 m\u00e0 b\u1ea1n \u0111\u00e3 quan s\u00e1t v\u00e0 ki\u1ec3m tra r\u00f5 r\u00e0ng.<\/p>\n<\/div>\n<div class=\"ptdm-faq-q\">Kh\u00e1c bi\u1ec7t gi\u1eefa ZIndexBased v\u00e0 ZIndexSign l\u00e0 g\u00ec?<\/div>\n<div class=\"ptdm-faq-a\">\n<p>C\u1ea3 hai \u0111\u1ec1u l\u00e0 ch\u1ebf \u0111\u1ed9 \u0111\u00e1nh ng\u01b0\u1ee3c v\u1edbi c\u00e1ch ph\u00e2n b\u1ed5 ch\u00e2n l\u1ec7nh theo d\u1ea5u Z gi\u1ed1ng h\u1ec7t nhau. Kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf \u0111i\u1ec1u ki\u1ec7n k\u00edch ho\u1ea1t: <strong>ZIndexBased<\/strong> k\u00edch ho\u1ea1t b\u1ea5t c\u1ee9 khi n\u00e0o \u0111\u1ed9 l\u1edbn v\u01b0\u1ee3t ng\u01b0\u1ee1ng, b\u1ea5t k\u1ec3 d\u1ea5u. <strong>ZIndexSign<\/strong> c\u00f2n y\u00eau c\u1ea7u Current Zindex v\u00e0 Zindex Open c\u00f9ng d\u1ea5u \u2014 ngh\u0129a l\u00e0 spread \u0111\u00e3 gi\u00e3n xa h\u01a1n theo h\u01b0\u1edbng m\u00e0 ng\u01b0\u1ee1ng \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh ban \u0111\u1ea7u. ZIndexSign l\u1ecdc b\u1ecf k\u00edch ho\u1ea1t \u1edf c\u1ef1c \u0111\u1ed1i di\u1ec7n; ZIndexBased k\u00edch ho\u1ea1t \u0111\u1ed1i x\u1ee9ng \u1edf c\u1ea3 hai c\u1ef1c.<\/p>\n<\/div>\n<div class=\"ptdm-faq-q\">Ch\u1ebf \u0111\u1ed9 Direction n\u00e0o l\u00e0 m\u1eb7c \u0111\u1ecbnh cho m\u1ed9t c\u1eb7p m\u1edbi?<\/div>\n<div class=\"ptdm-faq-a\">\n<p><strong>ZIndexBased<\/strong> l\u00e0 m\u1eb7c \u0111\u1ecbnh th\u1ef1c t\u1ebf. N\u00f3 th\u1ef1c hi\u1ec7n giao d\u1ecbch c\u1eb7p \u0111\u00e1nh ng\u01b0\u1ee3c s\u1ef1 ph\u00e2n k\u1ef3 kinh \u0111i\u1ec3n v\u1edbi h\u00e0nh vi \u0111\u1ed1i x\u1ee9ng \u1edf c\u1ea3 hai ph\u00eda c\u1ee7a spread. H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00f3, backtest trong \u0111i\u1ec1u ki\u1ec7n kh\u1edbp l\u1ec7nh th\u1ef1c t\u1ebf, v\u00e0 ch\u1ec9 chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 kh\u00e1c khi b\u1ea1n c\u00f3 l\u00fd do c\u1ee5 th\u1ec3 (quan \u0111i\u1ec3m v\u1ec1 giai \u0111o\u1ea1n th\u1ecb tr\u01b0\u1eddng, quy m\u00f4 b\u1ea5t \u0111\u1ed1i x\u1ee9ng, x\u00e1c nh\u1eadn d\u1ea5u ho\u1eb7c lu\u1eadn \u0111i\u1ec3m \u0111\u1ed9ng l\u01b0\u1ee3ng).<\/p>\n<\/div>\n<div class=\"ptdm-faq-q\">T\u00f4i c\u00f3 th\u1ec3 ch\u1ea1y Buy1Sell2 v\u00e0 Sell1Buy2 \u0111\u1ed3ng th\u1eddi kh\u00f4ng?<\/div>\n<div class=\"ptdm-faq-a\">\n<p>C\u00f3 \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng l\u00fd do ch\u00ednh c\u00e1c ch\u1ebf \u0111\u1ed9 m\u1ed9t chi\u1ec1u n\u00e0y t\u1ed3n t\u1ea1i. Ch\u1ea1y hai phi\u00ean b\u1ea3n chi\u1ebfn l\u01b0\u1ee3c tr\u00ean c\u00f9ng m\u1ed9t c\u1eb7p, m\u1ed9t v\u1edbi Buy1Sell2 (ch\u1ec9 ph\u00eda Zindex \u00e2m) v\u00e0 m\u1ed9t v\u1edbi Sell1Buy2 (ch\u1ec9 ph\u00eda Zindex d\u01b0\u01a1ng), t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ZIndexBased, ngo\u1ea1i tr\u1eeb vi\u1ec7c b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t quy m\u00f4, d\u1eebng l\u1ed7 v\u00e0 tham s\u1ed1 cho t\u1eebng ph\u00eda \u0111\u1ed9c l\u1eadp. H\u1eefu \u00edch khi m\u1ed9t ph\u00eda trong l\u1ecbch s\u1eed c\u00f3 l\u00e3i h\u01a1n ho\u1eb7c b\u1ea1n mu\u1ed1n quy m\u00f4 kh\u00e1c nhau cho m\u1ed7i h\u01b0\u1edbng.<\/p>\n<\/div>\n<div class=\"ptdm-faq-q\">T\u00f4i c\u00f3 th\u1ec3 \u0111\u1ed5i Direction gi\u1eefa phi\u00ean khi \u0111ang c\u00f3 v\u1ecb th\u1ebf m\u1edf kh\u00f4ng?<\/div>\n<div class=\"ptdm-faq-a\">\n<p>V\u1ec1 k\u1ef9 thu\u1eadt th\u00ec c\u00f3 th\u1ec3, nh\u01b0ng b\u1ea1n kh\u00f4ng n\u00ean. C\u00e1c v\u1ecb th\u1ebf \u0111\u01b0\u1ee3c m\u1edf theo m\u1ed9t ch\u1ebf \u0111\u1ed9 \u0111\u00e3 \u0111\u01b0\u1ee3c v\u00e0o l\u1ec7nh d\u1ef1a tr\u00ean m\u1ed9t lu\u1eadn \u0111i\u1ec3m ng\u1ea7m v\u1ec1 vi\u1ec7c b\u00ean n\u00e0o s\u1ebd th\u1eafng \u2014 logic tho\u00e1t l\u1ec7nh, ch\u1ed1t l\u1eddi v\u00e0 d\u1eebng l\u1ed7 ho\u1ea1t \u0111\u1ed9ng nh\u1ea5t qu\u00e1n v\u1edbi lu\u1eadn \u0111i\u1ec3m \u0111\u00f3. \u0110\u1ed5i ch\u1ebf \u0111\u1ed9 gi\u1eefa ch\u1eebng khi\u1ebfn b\u1ea1n c\u00f3 c\u00e1c giao d\u1ecbch m\u1edf m\u00e0 b\u1ed9 quy t\u1eafc m\u1edbi kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 qu\u1ea3n l\u00fd. \u0110\u00f3ng m\u1ecdi v\u1ecb th\u1ebf g\u1ecdn g\u00e0ng, sau \u0111\u00f3 \u0111\u1ed5i Direction tr\u01b0\u1edbc phi\u00ean ti\u1ebfp theo.<\/p>\n<\/div>\n<div class=\"ptdm-faq-q\">Direction t\u01b0\u01a1ng t\u00e1c th\u1ebf n\u00e0o v\u1edbi c\u00e1c tham s\u1ed1 pairs trading kh\u00e1c c\u1ee7a SharpTrader?<\/div>\n<div class=\"ptdm-faq-a\">\n<p>Direction l\u00e0 quy t\u1eafc ph\u00e2n b\u1ed5 ch\u00e2n l\u1ec7nh; c\u00e1c tham s\u1ed1 c\u00f2n l\u1ea1i \u2014 Zindex Open, Zindex Close, b\u1ed9 l\u1ecdc ATR, kh\u1ed1i l\u01b0\u1ee3ng lot, ch\u1ed1t l\u1eddi, d\u1eebng l\u1ed7 \u2014 quy\u1ebft \u0111\u1ecbnh khi n\u00e0o tho\u00e1t l\u1ec7nh v\u00e0 quy m\u00f4 bao nhi\u00eau. Ch\u1ebf \u0111\u1ed9 Direction kh\u00f4ng thay \u0111\u1ed5i c\u00e1c quy t\u1eafc \u0111\u00f3, nh\u01b0ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i logic Zindex Close n\u00e0o l\u00e0 h\u1ee3p l\u00fd (ch\u1ebf \u0111\u1ed9 \u0111\u00e1nh ng\u01b0\u1ee3c nh\u1eafm t\u1edbi vi\u1ec7c quay v\u1ec1 0; ch\u1ebf \u0111\u1ed9 \u0111i theo nh\u1eafm t\u1edbi m\u1ee9c ph\u00e2n k\u1ef3 r\u1ed9ng h\u01a1n). H\u00e3y tinh ch\u1ec9nh l\u1ea1i c\u00e1c tham s\u1ed1 tho\u00e1t l\u1ec7nh m\u1ed7i khi \u0111\u1ed5i Direction. Wiki c\u00f3 t\u00e0i li\u1ec7u tham s\u1ed1 \u0111\u1ea7y \u0111\u1ee7: <a href=\"https:\/\/sharptrader.arbitragesoftware.net\/Pairs_Trading_Strategy\">sharptrader.arbitragesoftware.net\/Pairs_Trading_Strategy<\/a>.<\/p>\n<\/div>\n<\/div>\n<p><!-- ============================================================ --><br \/>\n<!-- CTA --><br \/>\n<!-- ============================================================ --><\/p>\n<div class=\"ptdm-cta\">\n<h2>Ch\u1ea1y pairs trading trong SharpTrader<\/h2>\n<p>Tham s\u1ed1 Direction l\u00e0 m\u1ed9t trong nhi\u1ec1u y\u1ebfu t\u1ed1 \u0111i\u1ec1u khi\u1ec3n quy\u1ebft \u0111\u1ecbnh li\u1ec7u chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch c\u1eb7p c\u00f3 t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c khi giao d\u1ecbch th\u1ef1c hay kh\u00f4ng. C\u00e1c y\u1ebfu t\u1ed1 c\u00f2n l\u1ea1i \u2014 ch\u1ea5t l\u01b0\u1ee3ng kh\u1edbp l\u1ec7nh c\u1ee7a broker, gi\u1ea3 \u0111\u1ecbnh backtest th\u1ef1c t\u1ebf v\u00e0 ki\u1ec3m \u0111\u1ecbnh walk-forward \u2014 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong h\u01b0\u1edbng d\u1eabn tr\u1ee5 c\u1ed9t v\u00e0 b\u1ed9 c\u00f4ng c\u1ee5 ki\u1ec3m tra broker BEQI c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n<p><a class=\"ptdm-cta-btn\" href=\"\/product\/sharptrader-forex-crypto-arbitrage\/\">Trang s\u1ea3n ph\u1ea9m SharpTrader Pro<\/a><br \/>\n<a class=\"ptdm-cta-btn ptdm-cta-btn-out\" href=\"\/forex-pairs-trading-statistical-arbitrage\/\">H\u01b0\u1edbng d\u1eabn tr\u1ee5 c\u1ed9t v\u1ec1 pairs trading<\/a><\/p>\n<\/div>\n<\/div>\n<p><!-- ====================================================================== --><br \/>\n<!-- END BODY --><div class='_form_31'><\/div><script type='text\/javascript' src='https:\/\/bjftradinggroup.activehosted.com\/f\/embed.php?static=0&id=31&6AB8DEFBDD4D7&nostyles=0&preview=0'><\/script><br \/>\n<!-- ====================================================================== --><\/p>\n<p><!-- ====================================================================== --><br \/>\n<!-- JSON-LD --><br \/>\n<!-- ====================================================================== --><br \/>\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"TechArticle\",\n      \"@id\": \"https:\/\/bjftradinggroup.com\/sharptrader-pairs-trading-direction-modes\/#article\",\n      \"headline\": \"SharpTrader Pairs Trading: the Direction Parameter Explained (All 8 Modes)\",\n      \"description\": \"Practical reference for the Direction parameter in the SharpTrader pairs trading strategy. Covers all 8 modes (ZIndexBased, PriceBased, Buy1Sell2, Sell1Buy2, ZIndexSign, Reversed, ZIndexSignInv, Inversed): trigger condition, leg assignment, concrete examples, and guidance on which mode to pick for a given setup.\",\n      \"image\": \"https:\/\/bjftradinggroup.com\/wp-content\/uploads\/sharptrader-direction-modes-matrix.png\",\n      \"datePublished\": \"2026-05-28T10:00:00-04:00\",\n      \"dateModified\": \"2026-05-28T10:00:00-04:00\",\n      \"author\": {\n        \"@type\": \"Person\",\n        \"@id\": \"https:\/\/bjftradinggroup.com\/about-boris-fesenko\/#person\",\n        \"name\": \"Boris Fesenko\",\n        \"url\": \"https:\/\/bjftradinggroup.com\/about-boris-fesenko\/\"\n      },\n      \"publisher\": {\n        \"@type\": \"Organization\",\n        \"@id\": \"https:\/\/bjftradinggroup.com\/#organization\",\n        \"name\": \"BJF Trading Group Inc.\",\n        \"url\": \"https:\/\/bjftradinggroup.com\/\",\n        \"logo\": { \"@type\": \"ImageObject\", \"url\": \"https:\/\/bjftradinggroup.com\/wp-content\/uploads\/bjf-logo.png\" }\n      },\n      \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\/\/bjftradinggroup.com\/sharptrader-pairs-trading-direction-modes\/\",\n        \"speakable\": {\n          \"@type\": \"SpeakableSpecification\",\n          \"cssSelector\": [\".ptdm-answer\", \".ptdm-faq-a\", \".ptdm-mode\"]\n        }\n      },\n      \"wordCount\": 2700,\n      \"articleSection\": \"Product reference\",\n      \"keywords\": \"SharpTrader pairs trading, Direction parameter, ZIndexBased, PriceBased, Buy1Sell2, Sell1Buy2, ZIndexSign, Reversed, ZIndexSignInv, Inversed, Zindex Open, Current Zindex, pairs trading software, statistical arbitrage\",\n      \"about\": [\n        {\"@type\": \"Thing\", \"name\": \"Pairs trading strategy\"},\n        {\"@type\": \"Thing\", \"name\": \"SharpTrader Direction parameter\"},\n        {\"@type\": \"Thing\", \"name\": \"Z-score trading rules\"},\n        {\"@type\": \"Thing\", \"name\": \"Statistical arbitrage\"}\n      ],\n      \"citation\": {\n        \"@type\": \"WebPage\",\n        \"name\": \"SharpTrader Pairs Trading Strategy Wiki\",\n        \"url\": \"https:\/\/sharptrader.arbitragesoftware.net\/Pairs_Trading_Strategy\"\n      }\n    },\n    {\n      \"@type\": \"DefinedTermSet\",\n      \"@id\": \"https:\/\/bjftradinggroup.com\/sharptrader-pairs-trading-direction-modes\/#direction-modes\",\n      \"name\": \"SharpTrader Direction modes\",\n      \"hasDefinedTerm\": [\n        {\n          \"@type\": \"DefinedTerm\",\n          \"name\": \"ZIndexBased\",\n          \"description\": \"Default fade-the-divergence mode. Trigger: |Current Zindex| > Zindex Open. Action: if Current Zindex >= 0, sell left side and buy right side; if Current Zindex < 0, buy left side and sell right side.\" }, { \"@type\": \"DefinedTerm\", \"name\": \"PriceBased\", \"description\": \"Fade mode where leg assignment is decided by raw Ask price comparison rather than Zindex sign. Trigger: |Current Zindex| > Zindex Open. Action: higher-Ask side is sold, lower-Ask side is bought.\"\n        },\n        {\n          \"@type\": \"DefinedTerm\",\n          \"name\": \"Buy1Sell2\",\n          \"description\": \"One-sided fade mode that only enters when Current Zindex is negative. Trigger: |Current Zindex| > Zindex Open AND Current Zindex < 0. Action: buy left side, sell right side.\" }, { \"@type\": \"DefinedTerm\", \"name\": \"Sell1Buy2\", \"description\": \"One-sided fade mode that only enters when Current Zindex is non-negative. Trigger: |Current Zindex| > Zindex Open AND Current Zindex >= 0. Action: sell left side, buy right side.\"\n        },\n        {\n          \"@type\": \"DefinedTerm\",\n          \"name\": \"ZIndexSign\",\n          \"description\": \"Stricter fade mode that requires Current Zindex and Zindex Open to share the same sign. Trigger: |Current Zindex| > |Zindex Open| AND same sign. Action: same leg assignment as ZIndexBased.\"\n        },\n        {\n          \"@type\": \"DefinedTerm\",\n          \"name\": \"Reversed\",\n          \"description\": \"Momentum mode. Trigger: |Current Zindex| > Zindex Open. Action: opposite leg assignment to ZIndexBased - if Current Zindex >= 0, buy left and sell right; if Current Zindex < 0, sell left and buy right.\" }, { \"@type\": \"DefinedTerm\", \"name\": \"ZIndexSignInv\", \"description\": \"Stricter momentum mode. Trigger: |Current Zindex| > |Zindex Open| AND same sign. Action: opposite leg assignment to ZIndexSign - bets on continued divergence rather than reversion.\"\n        },\n        {\n          \"@type\": \"DefinedTerm\",\n          \"name\": \"Inversed\",\n          \"description\": \"Momentum mode with flipped trigger. Trigger: |Current Zindex| < Zindex Open - enters while the spread is inside the threshold band. Action: if Current Zindex >= 0, buy left and sell right; if Current Zindex < 0, sell left and buy right.\" } ] }, { \"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/bjftradinggroup.com\/sharptrader-pairs-trading-direction-modes\/#breadcrumb\", \"itemListElement\": [ {\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/bjftradinggroup.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Pairs Trading &#038; Statistical Arbitrage\", \"item\": \"https:\/\/bjftradinggroup.com\/forex-pairs-trading-statistical-arbitrage\/\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"SharpTrader Direction Modes\", \"item\": \"https:\/\/bjftradinggroup.com\/sharptrader-pairs-trading-direction-modes\/\"} ] }, { \"@type\": \"FAQPage\", \"@id\": \"https:\/\/bjftradinggroup.com\/sharptrader-pairs-trading-direction-modes\/#faq\", \"mainEntity\": [ { \"@type\": \"Question\", \"name\": \"What does 'Current Zindex > Zindex Open' in the SharpTrader wiki actually mean?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"It means |Current Zindex| > Zindex Open - a magnitude comparison. Zindex Open is the threshold expressed as a positive number (for example 2.0), and the strategy fires when the spread has stretched at least that far from the mean, in either direction. The sign of Current Zindex then decides which leg is the buy and which is the sell, according to whichever Direction mode is selected.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is the difference between ZIndexBased and PriceBased Direction modes?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Both share the same trigger and both are fade modes. The difference is how they decide the leg assignment. ZIndexBased uses the sign of the z-score: Z >= 0 means sell left and buy right, Z < 0 means the opposite. PriceBased ignores the z-score sign and compares raw Ask prices: the higher-priced side is sold, the lower-priced side is bought. PriceBased is most useful when the two pair instruments have very different absolute price levels.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"When should I use the Inversed Direction mode?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Inversed is the only mode whose trigger is flipped - it enters while the spread is inside the band (|Z| < Open), not beyond it. Use it when you have strong evidence that the pair is in a regime where small spread deviations expand into large ones rather than reverting. This is an unusual setup; the default behaviour of most pairs is mean-reversion, so Inversed should be reserved for specific regimes you have explicitly observed and tested.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is the difference between ZIndexBased and ZIndexSign?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Both are fade modes with identical leg assignment by Z-sign. The difference is in the trigger: ZIndexBased fires whenever the magnitude exceeds the threshold, regardless of sign. ZIndexSign additionally requires Current Zindex and Zindex Open to share the same sign - meaning the spread has stretched further in the direction the threshold was originally configured for. ZIndexSign filters out opposite-extreme triggers; ZIndexBased fires on both extremes symmetrically.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Which Direction mode is the default for a new pair?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"ZIndexBased is the practical default. It implements the canonical fade-the-divergence pairs trade with symmetric behaviour on both sides of the spread. Start there, backtest under realistic execution conditions, and only move to one of the other modes when you have a specific reason - regime view, asymmetric sizing, sign confirmation, or momentum thesis.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can I run Buy1Sell2 and Sell1Buy2 at the same time?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes, that is one of the main reasons those one-sided modes exist. Running two strategy instances on the same pair - one with Buy1Sell2 for the negative Zindex side and one with Sell1Buy2 for the positive Zindex side - is equivalent to ZIndexBased except you can size, stop, and parameterise each side independently. Useful when one side has historically been more profitable or you want different sizing per direction.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can I change the Direction parameter mid-session while positions are open?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Technically you can, but you should not. Positions opened under one mode were entered against an implicit thesis about which side should win, and the exit logic, take-profit, and stop-loss rules behave consistently with that thesis. Switching mode mid-position leaves you with open trades that the new rule set was never designed to manage. Close all positions cleanly, then change Direction before the next session.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How does the Direction parameter interact with the rest of the SharpTrader pairs trading parameters?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Direction is the leg-assignment rule; the rest of the parameters - Zindex Open, Zindex Close, ATR filters, lot sizing, take-profit, stop-loss - decide when to exit and how to size. The Direction mode does not change those rules, but it can change which Zindex Close logic makes sense: a fade mode targets reversion to zero, a ride mode targets a wider divergence. Re-tune the exit parameters whenever you change Direction.\"\n          }\n        }\n      ]\n    }\n  ]\n}\n<\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>BJF TRADING GROUP \u00b7 T\u00c0I LI\u1ec6U S\u1ea2N PH\u1ea8M SharpTrader Pairs Trading: gi\u1ea3i th\u00edch tham s\u1ed1 Direction \u2014 c\u1ea3 8 ch\u1ebf \u0111\u1ed9 Direction quy\u1ebft \u0111\u1ecbnh b\u00ean n\u00e0o c\u1ee7a c\u1eb7p \u0111\u01b0\u1ee3c mua v\u00e0 b\u00ean n\u00e0o \u0111\u01b0\u1ee3c b\u00e1n khi ng\u01b0\u1ee1ng Zindex \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t. T\u00e1m ch\u1ebf \u0111\u1ed9 chia th\u00e0nh hai nh\u00f3m chi\u1ebfn l\u01b0\u1ee3c \u2014 \u0111\u00e1nh ng\u01b0\u1ee3c s\u1ef1 ph\u00e2n k\u1ef3 (h\u1ed3i quy v\u1ec1 trung b\u00ecnh) v\u00e0 \u0111i theo s\u1ef1 ph\u00e2n k\u1ef3 (\u0111\u1ed9ng l\u01b0\u1ee3ng) \u2014 c\u00f9ng m\u1ed9t ngo\u1ea1i l\u1ec7, Inversed,&hellip;<\/p>\n","protected":false},"author":1,"featured_media":13075,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[53],"tags":[292,296,249,336],"class_list":["post-13071","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arbitrage-software","tag-pair-trading","tag-pairs-trading","tag-statistical-arbitrage","tag-z-index"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>SharpTrader Pairs 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