/// <summary>
/// Closes the trade if price crosses the upper/lower bollinger band.
/// </summary>
/// <param name="candles">candle history</param>
/// <param name="bar">currentcandle</param>
/// <param name="tradeManager">tradeManager</param>
private void CloseTradeIfPossible(List <MarketCandle> candles, int bar, ITradeManager tradeManager)
{
var candle = candles[bar];
var bbands = new BollingerBands(candles, bar);
// for long we close the trade if price gets above the upper bollinger bands
if (_trade.TradeType == TradeType.Long && candle.HighPrice > bbands.Upper)
{
if (tradeManager.Close(_trade, candle.HighPrice))
{
_state = StrategyState.Scanning;
_trade = null;
return;
}
}
// for short we close the trade if price gets below the lowe bollinger bands
if (_trade.TradeType == TradeType.Short && candle.LowPrice < bbands.Lower)
{
if (tradeManager.Close(_trade, candle.LowPrice))
{
_state = StrategyState.Scanning;
_trade = null;
return;
}
}
}
private void ClosePosition(double[] ema)
{
var currentBar = _chart.Current;
var position = _tradeManager.GetOrders(_magicNumber).Select(x => x.Type).Single();
switch (position)
{
case OrderType.Buy when SellSignal(ema):
case OrderType.Sell when BuySignal(ema):
_tradeManager.Close(_chart, currentBar.Open, _magicNumber);
break;
}
}