选大牛股指标 通达信公式（附图）

sR2:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;

sR3:=SMA(SMA(sR2,3,1),3,1)/28.57;

sR4:=EMA(sR3,5);

sR5:=3*sR3-2*sR4;

AAs:CROSS(sR5,sR3) AND sR3<2.1 AND C>O;

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