Buy = Cross( MACD(), Signal() );

priceatbuy=0;

for( i = 0; i < BarCount; i++ )
{
if( priceatbuy == 0 && Buy[ i ] )
priceatbuy = BuyPrice[ i ];

if( priceatbuy > 0 && SellPrice[ i ] > 1.1 * priceatbuy )
{
Sell[ i ] = 1;
SellPrice[ i ] = 1.1 * priceatbuy;
priceatbuy = 0;
}
else
Sell[ i ] = 0;
}

Buy =
Sell = 0; // selling only by stop
TrailStopAmount = 2 * ATR( 20 );
Capital = 100000; /* IMPORTANT: Set it also in the Settings: Initial Equity */
Risk = 0.01*Capital;
PositionSize = (Risk/TrailStopAmount)*BuyPrice;
ApplyStop( 2, 2, TrailStopAmount, 1 );