A:=SUM(IF(CLOSE>REF(CLOSE,1),vol,IF(CLOSE<REF(CLOSE,1),-VOL,0)),0)/10000; B:=MA(A,5); A1:=BARSLAST(REF(crOSS(A,B),1)); B1:=REF(C,A1+1)>C AND REF(A,A1+1)<B AND CROSS(A,B); DRAWTEXT(IF(B1>0,1,0),L-0.1,'obv底背离'),COLORGREEN;