cond:=day<>ref(day,1) or barpos=1;
n:=barpos-valuewhen(cond,barpos)+1;
m30:=VALUEWHEN(TIME<=093000,n);
jj:(sum(amount,n) - sum(amount,m30))/(sum(vol,n) - sum(vol,m30))/multiplier;//适用日线及日线以下周期的K线
cond:=day<>ref(day,1) or barpos=1;
n:=barpos-valuewhen(cond,barpos)+1;
v30:=VALUEWHEN(TIME<=093000,sum(vol,n));
a30:=VALUEWHEN(TIME<=093000,sum(amount,n));
jj:(sum(amount,n) - a30)/(sum(vol,n) - v30)/multiplier,linethick0;//适用日线及日线以下周期的K线