编写要求:
股价首次突破布林线上轨,而且当天是以涨停价收盘的选股指标.
公式在线网解答:
BOLL:=MA(CLOSE,20); UB:=BOLL+2*STD(CLOSE,20); LB:=BOLL-2*STD(CLOSE,20); CROSS(C,UB) AND C/REF(C,1)>1.09;