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));买点:IF(CROSS(五日贝塔,1.07) AND 十三日贝塔>1 AND COUNT(五日贝塔<1.07,3)>=2,1.1,0);