S:=SUM(IF(CLOSE>REF(CLOSE,1),VOL,IF(CLOSE<REF(CLOSE,1),-VOL,0)),0);S1:=MA(S,30);2*(S-S1),COLORSTICK;REF(HHV((S-S1),30),30);REF(HHV((S-S1),20),20);MA((S-S1),10);