The MACD can be a useful confluence when deciding whether to enter a trade or not, on the 4 hour time I always wait for a 4 hour bar to close and then see if the histogram has changed to green or red and using other confluences such as trend lines and engulfing candles on the daily or 4 hour timeframe.
Watch out for divergences with the MACD which are easy to spot, and also will show you a continuation of an uptrend or downtrend with the MACD line and signal line.
Watch out for divergences with the MACD which are easy to spot, and also will show you a continuation of an uptrend or downtrend with the MACD line and signal line.