This moving average was developed by John Josephen in his Mechanical Trader Book.
Buy when the price is above the moving average you will also see that the candles are painted yellow.
Sell when the price is below the moving average, you will also see that the candles are painted red.
It also has the standard deviation 13 periods and deviation 1 of the same moving average and the deviation atr 13 deviation atr 1 of the same moving average