通达信上下针源码
ZFA:=(CLOSE/REF(CLOSE,1)-1)*100;
ZFB:=(CLOSE/OPEN-1)*100;
ZF:IF(ZFA>=0 OR ZFB>0,MAX(ZFA,ZFB),MIN(ZFA,ZFB)),NODRAW;
XZ:=(MIN(OPEN,CLOSE)-LOW)*100/LOW;
下针:=IF(XZ>=5,XZ,0);
SZ:=(HIGH-MAX(OPEN,CLOSE))*100/MAX(OPEN,CLOSE);
KK:=(HHV(MAX(CLOSE,OPEN),2)-LLV(MIN(OPEN,CLOSE),2))*100/LLV(MIN(OPEN,CLOSE),2);
SXZ:=REF(SZ>=5 AND ZFB>0 AND ABS(ZFB)<=4,1) AND XZ>=5 AND ABS(ZFB)<=4 OR (REF(SZ>=5 AND ABS(ZFB)<=4,1) AND XZ>=5 AND ZFB>0 AND ABS(ZFB)<=4);
XD:=MA(REF(HHV(CLOSE,IF(BARSSINCE(CLOSE>0)<120,BARSSINCE(CLOSE>0),120)),1),2);
XH:=MA(REF(HHV(HIGH,IF(BARSSINCE(CLOSE>0)<120,BARSSINCE(CLOSE>0),120)),1),2);
VAB1:=COUNT(CLOSE>XD,5)=1 AND CLOSE>XD AND ZF>=6;
VAB2:=BARSLAST(VAB1);
VAB3:=REF(XD,VAB2+4);
KA:=(CLOSE-VAB3)*100/VAB3;
VBB1:=COUNT(CLOSE>XH,5)=1 AND CLOSE>XH AND ZF>=6;
VBB2:=BARSLAST(VBB1);
VBB3:=REF(XH,VBB2+4);
KB:=(CLOSE-VBB3)*100/VBB3;
上下针:IF(KK<=7.5 AND COUNT(ZF>=9,6)>=1 AND SXZ AND (VAB2<=6 AND CLOSE>VAB3 AND KA<=20 OR (VBB2<=6 AND CLOSE>VBB3 AND KB<=20)),MAX(SZ,XZ),0);
VCA1:=BARSLAST(ZFA>=9.6);
XG:=IF(VCA1>=2 AND VCA1<=4 AND COUNT(ABS(ZFB)<=1,VCA1)>=VCA1 AND ABS(ZFB)<=1,VCA1,0);
NA:=BARSLAST(上下针>=5);
NX:=IF(NA<20,NA,0);
NB:=BARSLAST(XG>=2);
NY:=IF(NB<20,NB,0);
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