三线合拢就买入指标 通达信公式（附图）

A:=EMA((EMA(CLOSE,29)+EMA(CLOSE,31)+EMA(CLOSE,33))/3,3),COLORYELLOW;
轴线:REF(A,1)COLORRED;
AA:EMA((EMA(C,1)+EMA(C,3)+EMA(C,5))/3,3),COLORWHITE;
BB:=EMA((EMA(C,29)+EMA(C,31)+EMA(C,33))/3,3);
CC:BB-(AA-BB*0.997),COLORYELLOW;
开口值:HHV(AA,1)/LLV(CC,1)*100-100,COLORGREEN,NODRAW;