VAR0:=IF((HIGH OR LOW),CLOSE*VOL,(CLOSE*2+HIGH+LOW)/4*VOL);
var1:=SUM(VAR0,89)/SUM(VOL,89);
var2:=IF(COUNT(VAR0>0,2)>=2,MA(CLOSE,89)*(1+(MA(VAR0,89)/REF(MA(VAR0,89),1)-1)/21),MA(CLOSE,89));
var3:=IF(COUNT(ABS(CLOSE-var1)>21,8)