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;
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