MACD := 2*(DIFF-DEA); CLOSE OPEN AND MA(CLOSE,5) MA(CLOSE,10) AND MA(CLOSE,10) MA(CLOSE,30) AND DIFF DEA AND MACD REF(MACD,1) AND DIFF 0 AND DEA 0 AND MA(VOL,5) MA(VOL,34) AND MA(CLOSE,30) =REF(MA(CLOSE,30),1);