分时量比

​A:=IF(HOUR>12,(HOUR-13)*60+MINUTE+120,(HOUR-9)*60+MINUTE-30);

A1:=IF(ISLASTBAR,BARSLAST(A=1),0);

A2:=BACKSET(A1,A1+1);

A3:=IF(A2=1,V,0);

DYNAINFO(17)*(SUM(A3,A)/A)/(DYNAINFO(8)/FROMOPEN);