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[size=13.333333969116211px]MID:=MA(C,20);
[size=13.333333969116211px]VART1:=POW((C-MID),2);
[size=13.333333969116211px]VART2:=MA(VART1,20);
[size=13.333333969116211px]VART3:=SQRT(VART2);
[size=13.333333969116211px]UPPER:=MID+2*VART3;
[size=13.333333969116211px]LOWER:=MID-2*VART3;
[size=13.333333969116211px]BOLL:=REF(MID,1);
[size=13.333333969116211px]UB:=REF(UPPER,1);
[size=13.333333969116211px]LB:=REF(LOWER,1);
[size=13.333333969116211px]买一:=UB>REF(UB,1) AND LB<REF(LB,1) AND CROSS(LB,CLOSE) AND UB-REF(UB,1)>=0.01;
[size=13.333333969116211px]买二:=UB>REF(UB,1) AND LB<REF(LB,1) AND C<LB;
[size=13.333333969116211px]卖一:=UB>REF(UB,1) AND C>UB AND LB>REF(LB,1) AND REF(LB,1)<REF(LB,2);
[size=13.333333969116211px]卖二:=CROSS(UB,C);
[size=13.333333969116211px]{多头买入(买开)} ENTERLONG:买一 OR 买二;
[size=13.333333969116211px]{多头卖出(卖平)} EXITLONG:卖一 OR 卖二;
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