文华财经boll带macd多空波段买卖点指标公式源码：

DIFF:=EMA(CLOSE,12) - EMA(CLOSE,26);

DEA:=EMA(DIFF,9);

MACD:=2*(DIFF-DEA);

MID:MA(CLOSE,26);//求N个周期的收盘价均线，称为布林通道中轨

TMP2:=STD(CLOSE,26);//求M个周期内的收盘价的标准差

TOP:MID+2*TMP2;//布林通道上轨

BOTTOM:MID-2*TMP2;//布林通道下轨

CROSS(MACD,0)&&CROSS(C,MID),ICON(0,'IC01'),VALIGN0;

CROSSDOWN(MACD,0)&&CROSSDOWN(C,MID),ICON(1,'IC02');

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