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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2 c- a# E4 e9 g
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{参数设置:N(2,300;20)};, X R8 t9 N3 C8 n7 q& W* E
{公式特点:用【一阶原点矩】构造【股价(股指)尺度差】,}
$ Y( X# F1 G2 I# `* [. r' ~- \) K{公式性能因而远超“经典布林带”和体系自带的“BOLL_M”};- Y+ ?8 A' `. U4 k+ H
M1:=((EMA(C,12)-EMA(C,26))/EMA(C,12)+1)*N,NODRAW;
; `+ D. u; t+ a8 _9 zDIF:=MA(((EMA(C,12)-EMA(C,26))/EMA(C,12)+1)*C,M1);: E. f k. V$ [4 ^, j
7 {0 U0 u5 U+ B) c# tM:EMA("KDJ.K"(9,3,3)/100+"KDJ.D"(9,3,3)/100,N)*N,NODRAW;
. b C2 }1 |! B9 {& p: {4 q5 NM_A:=SUM(C,M)/SUM(1,M);{此式有利看新股}
' v" L/ Z9 i" l0 T. S{M_A:=MA(C,N);备用,当上市买卖业务日数>=N时与上式等值};
7 x& u3 K! _: e( g# QCQ:=ABS(C);9 c3 P# l+ N) z5 l5 c1 a
SD1:=SQRT(SUM((C-M_A)*(C-M_A)*CQ/SUM(CQ,M),M));
- c$ M; l4 w' q' i1 G$ F Y k* CSD2:=SQRT(SUM((C-M_A)*(C-M_A)*CQ,M)/SUM(CQ,M));
2 }) U- B% b# O# z$ bSD:=(SD1+SD2)/2;{实在SD1、SD2无原理性区别,但有个截尾偏差}
" ^* E# _: V3 @顶线:M_A+2*SD;6 ^" e6 e! N7 t. n9 c
强线:M_A+SD;! P# L7 u3 E4 i+ I" `0 C6 q
中线:M_A,LINETHICK1;( Z+ a( v9 O' ]" ~9 d. ^, n
弱线:M_A-SD;
0 b* O9 v, x' N% j, f底线:M_A-2*SD; |