macd零轴金叉选股指标 MACD零轴上金叉且OBV创120天以来的新高预警 OBV:SUM(IF(CLOSE>REF(CLOSE,1),VOL,IF(CLOSE0 AND CROSS("MACD.DIFF","MACD.DEA") AND BV=HHV(OBV,120)