3.DIFF向上突破DEA,視為買進訊號; 4.DIFF向下跌破DEA,視為賣出訊號; 5.DIFF由負轉正,並突破MACD的零值,視為買進訊號; 6.DIFF由正轉負,並突破MACD的零值,視為賣出訊號;
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