OBV:SUM(IF(CLOSE>REF(CLOSE,1),VOL,IF(CLOSE<REF(CLOSE,1),-VOL,0)),0)/1000000;
A1:=REF(OBV,2)=HHV(OBV,2*2+1); B1:=FILTER(A1,2); C1:=BACKSET(B1,2+1); D1:=FILTER(C1,2);{高}
A2:=REF(OBV,2)=LLV(OBV,2*2+1); B2:=FILTER(A2,2); C2:=B