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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. k- u+ w: S: T
9 l" [4 u# M5 r: d{参数设置:N(2,300;20)};
5 Q: J0 g: z! v: f6 Z0 H- p{公式特点:用【一阶原点矩】构造【股价(股指)尺度差】,}# ]; F0 w8 O1 _* d* S k4 E
{公式性能因而远超“经典布林带”和体系自带的“BOLL_M”};
! O4 A4 {1 i3 ] hM1:=((EMA(C,12)-EMA(C,26))/EMA(C,12)+1)*N,NODRAW;
; m* U" W4 W5 b' C9 M* R, zDIF:=MA(((EMA(C,12)-EMA(C,26))/EMA(C,12)+1)*C,M1);2 p! ?4 }" \$ y: F ~; V$ n* @
% O7 h: V+ a+ o cM:EMA("KDJ.K"(9,3,3)/100+"KDJ.D"(9,3,3)/100,N)*N,NODRAW;' J; @* \& Q. ~
M_A:=SUM(C,M)/SUM(1,M);{此式有利看新股}
: m$ r" o1 ]9 H" W9 l{M_A:=MA(C,N);备用,当上市买卖业务日数>=N时与上式等值};& Q5 l& T0 L+ \0 ?# d
CQ:=ABS(C);7 h' A; |. R) e) G
SD1:=SQRT(SUM((C-M_A)*(C-M_A)*CQ/SUM(CQ,M),M));4 d% W d3 {5 M; v" q& i) A
SD2:=SQRT(SUM((C-M_A)*(C-M_A)*CQ,M)/SUM(CQ,M));9 Z9 |1 D) `8 f6 l4 R- W
SD:=(SD1+SD2)/2;{实在SD1、SD2无原理性区别,但有个截尾偏差}; K" U0 K( v5 P5 C9 p* Y9 |
顶线:M_A+2*SD;
3 G; X( G! z# _% T+ w# l7 A' ~$ f强线:M_A+SD;
$ f/ F R- T {9 r* X中线:M_A,LINETHICK1;
, e7 T) u/ h6 c% M) K6 D9 L# L( c0 e/ t弱线:M_A-SD;* B* o$ A- g" q. j
底线:M_A-2*SD; |