//陰

n1:count(o<c,10);
sum(VALUEWHEN(o<c,vol),n1);

//陽(yáng)

n2:count(o>c,10);
sum(VALUEWHEN(o>c,vol),n2);

VARIABLE:A=0,E=0;
IF C>O THEN A:=VOL+A;
B:VALUEWHEN(BARPOS=10,A);

IF C<O THEN E:=VOL+E;
F:VALUEWHEN(BARPOS=10,E);