那不就是昨日金叉20日均线今日收盘价大于开盘价吗.BOLL:=MA(CLOSE,20);UB:=BOLL+2*STD(CLOSE,20);LB:=BOLL-2*STD(CLOSE,20);XG:REF(CROSS(C,BOLL),1)&&C>O;
ref(c,1)>ref(boll.boll,1) and c>o;
