W1:=IF(O＜=REF(O,1),0,MAX(H-O,O-REF(O,1)));
W2:=IF(O＞=REF(O,1),0,MAX(O-L,O-REF(O,1)));
W3:=SUM(W1,5);W4:=SUM(W2,5);
W5:=IF(W3＞W4,(W3-W4)/W3,IF(W3=W4,0,(W3-W4)/W4));
W6:=MA(W5,5);W8:=IF(O＜=REF(O,1),0,MA