MACD叫好之低位金叉选股指标公式

difF:=ema(CLOSE,12)-Ema(CLOSE,27);
DEA:=EMA(DIFF,9);
macd:=2*(DIFF-DEA),LINETHICK2;
低位金叉:crOSS(DIFF,DEA) AND DIFF<-0.1;