N:=13; 通达信抄底:=SUM(IF(H REF(H,1),H-REF(H,1),0),N); 指标公式源码:=SUM(IF(L REF(L,1),0,REF(L,1)-L),N); ffdde1:=通达信抄底/(通达信抄底+指标公式源码),COLORRED; ffdde2:ffdde1 0.08,COLORYELLOW,LINETHICK2;