来源:Internet,编辑:股旁网,2020-11-30
boll:=MA(CLOSE,20); UPPER:=(BOLL+2*STD(CLOSE,20)); LOWER:=BOLL-2*STD(CLOSE,20); DD:=UPPER-LOWER; 布林开口:crOSS(0.5,DD=LLV(DD,30));