?

?來(lái)源:程序化99

N:BARSLAST(DAYSTOEXPIRED('#39)>REF(DAYSTOEXPIRED('#39),1))+1;

SUM(AVPRICE*V,N)/SUM(V,N);//具體合約

?

N:IF(BARSLAST(YEAR<>REF(YEAR,1))+1>0,BARSLAST(YEAR<>REF(YEAR,1))+1,BARPOS);

SUM(AVPRICE*V,N)/SUM(V,N);//主連