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逾越布林(源码,起首是股指股价尺度差算法的逾越,其次是动态周期,三看次新股
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{参数设置:N(2,300;20)};& ]8 O) Y: Y V3 X8 `
{公式特点:用【一阶原点矩】构造【股价(股指)尺度差】,}5 _0 z) W- J2 Q) S& d: N8 R% \
{公式性能因而远超“经典布林带”和体系自带的“BOLL_M”};' m0 a, d& A9 S' G/ s& y7 i( M
M1:=((EMA(C,12)-EMA(C,26))/EMA(C,12)+1)*N,NODRAW;
9 `+ ?% o' p$ a2 }. U( ^0 aDIF:=MA(((EMA(C,12)-EMA(C,26))/EMA(C,12)+1)*C,M1);
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3 s1 }% b4 l1 B2 u$ @M:EMA("KDJ.K"(9,3,3)/100+"KDJ.D"(9,3,3)/100,N)*N,NODRAW;
" S) s: S' b3 q; w# cM_A:=SUM(C,M)/SUM(1,M);{此式有利看新股}/ x( K) r, D! e" U& H
{M_A:=MA(C,N);备用,当上市买卖业务日数>=N时与上式等值};
' \& T. O( J+ e4 {8 UCQ:=ABS(C);1 }7 N+ i# I) K1 `* Y0 D
SD1:=SQRT(SUM((C-M_A)*(C-M_A)*CQ/SUM(CQ,M),M));
3 j' z3 b f" b% l( h0 sSD2:=SQRT(SUM((C-M_A)*(C-M_A)*CQ,M)/SUM(CQ,M));+ G& d' [ r8 B
SD:=(SD1+SD2)/2;{实在SD1、SD2无原理性区别,但有个截尾偏差}$ J9 o% E9 f% C9 P+ W1 f/ y' c
顶线:M_A+2*SD;
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中线:M_A,LINETHICK1;
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+ [$ G/ h- a0 y( S% S& Z! K底线:M_A-2*SD; |