I use simple for the brief explanation before from the net....

I use simple for the brief explanation before from the net. However more skilful practitioners will oscillate between the 2.


For the simple moving average, a long-term trend can be found and followed much easier than an EMA, with reasonable

assumption that the fitting line will hold stronger than an EMA line due to the longer focus on mean prices.
An EMA is used to capture shorter trend moves, due to the focus on most recent prices. By this method, an EMA supposed to reduce any lags in the simple moving average so the fitting line will hug prices closer than a simple moving average. The problem with the EMA is this: Its prone to price breaks, especially during fast markets and periods of volatility. The EMA works well until prices break the fitting line. During higher volatility markets, you could consider increasing the length of the moving average term. One can even switch from an EMA to an SMA, since the SMA smoothes out the data much better than an EMA due to its focus on longer-term means.

For the simple moving average, a long-term trend can be found and followed much easier than an EMA, with reasonable assumption that the fitting line will hold stronger than an EMA line due to the longer focus on mean prices.
An EMA is used to capture shorter trend moves, due to the focus on most recent prices. By this method, an EMA supposed to reduce any lags in the simple moving average so the fitting line will hug prices closer than a simple moving average. The problem with the EMA is this: Its prone to price breaks, especially during fast markets and periods of volatility. The EMA works well until prices break the fitting line. During higher volatility markets, you could consider increasing the length of the moving average term. One can even switch from an EMA to an SMA, since the SMA smoothes out the data much better than an EMA due to its focus on longer-term means.

Read more: Simple Vs. Exponential Moving Averages | Investopedia http://www.investopedia.com/articles/trading/10/simple-exponential-moving-averages-compare.asp#ixzz412cl924m
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