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

P:=IF(ISLASTBAR,BARSLAST(TT=1),0);   

T:=BACKSET(P,P+1);   

VV:=IF(T=1,V,0);   

量比:100*DYNAINFO(17)*(SUM(VV,TT)/TT)/(DYNAINFO(8)/FROMOPEN);