到底抓牛之抓牛选股指标公式

X_1:=REF(CLOSE,1);
趋势线:=SMA(maX(CLOSE-X_1,0),8,1)/SMA(Abs(CLOSE-X_1),8,1)*100,COLOR0080FF,LINETHICK2;
抓牛:crOSS(趋势线,15);