同花顺BOLL缩量收口主图指标公式

	N:=20; bollBB:=15; P:=2; MID : MA(CLOSE,N); UPPER: MID + P*STD(CLOSE,N); LOWER: MID - P*STD(CLOSE,N); xg:=(UPPER-LOWER)/MID *100<BOLLBB AND vol<MA(VOL,5) AND MA(VOL,5)<MA(VOL,20); DRAWTEXT(xg=1 AND VOL/MA(VOL,20)<0.5,LOWER,'缩量收口'),colorred; STICKLINE(C/REF(C,1)>1.0989,O,C,5,0),colormagenta;