通达信贝塔选股指标(源码)

五日贝塔:=CLOSE/REF(CLOSE,5)/(INDEXC/REF(INDEXC,5));
十三日贝塔:=CLOSE/REF(CLOSE,13)/(INDEXC/REF(INDEXC,13));
牛股:=IF(CROSS(五日贝塔,1.07) AND 十三日贝塔 1 AND COUNT(五日贝塔 1.07,3) =2,1.1,1);
XG:牛股=1.1;