ZD:=IF((C-C3)*100/C3 =(10-0.01*100/C3),1,0); (ZD AND VOL REF(V,1)*2.1 AND C REF(C,1)AND CLOSE A1 AND CLOSE A2 AND CLOSE A3 AND CLOSE A4 AND MACD =REF(MACD,1)*2.1) ;