SetTradeDelays(1,1,1,1);
period = 20; // number of averaging periods
m = EMA( C, period ); // exponential moving average
Buy = Cross( C, m ); // buy when close crosses ABOVE moving average
Sell = Cross( m, C ); // sell when closes crosses BELOW moving average
Buy=ExRem(Buy,Sell);
Sell=ExRem(Sell,Buy);