经典MACD二次洪峰爬上0轴并金叉（通达信公式 源码 副图 选股 K线图）

DIFF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIFF,9);
CROSS(DIFF,DEA) AND RANGE(DEA,-0.02,0.02);
 

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