public async Task <Trading.OrderResult> PlaceOrder_SellLimit(
Data.Format format, string symbol, int shares, decimal limitPrice, TimeInForce timeInForce = TimeInForce.Gtc)
{
IAlpacaTradingClient trading = null;
try {
if (format == Data.Format.Live)
{
if (String.IsNullOrWhiteSpace(Settings.API_Alpaca_Live_Key) || String.IsNullOrWhiteSpace(Settings.API_Alpaca_Live_Secret))
{
return(Trading.OrderResult.Fail);
}
trading = Environments.Live.GetAlpacaTradingClient(new SecretKey(Settings.API_Alpaca_Live_Key, Settings.API_Alpaca_Live_Secret));
}
else if (format == Data.Format.Paper)
{
if (String.IsNullOrWhiteSpace(Settings.API_Alpaca_Paper_Key) || String.IsNullOrWhiteSpace(Settings.API_Alpaca_Paper_Secret))
{
return(Trading.OrderResult.Fail);
}
trading = Environments.Paper.GetAlpacaTradingClient(new SecretKey(Settings.API_Alpaca_Paper_Key, Settings.API_Alpaca_Paper_Secret));
}
// Prevents exceptions or unwanted behavior with Alpaca API
var account = await trading.GetAccountAsync();
if (trading == null || account == null ||
account.IsAccountBlocked || account.IsTradingBlocked ||
account.TradeSuspendedByUser)
{
return(Trading.OrderResult.Fail);
}
// Prevents unintentionally short selling (selling into negative digits, the API interprets that as intent to short-sell)
var positions = await trading.ListPositionsAsync();
if (!positions.Any(p => p.Symbol == symbol)) // If there is no position for this symbol
{
return(Trading.OrderResult.Fail);
}
var position = await trading.GetPositionAsync(symbol); // If there were no position, this would throw an Exception!
if (position == null || position.Quantity < shares) // If the current position doesn't have enough shares
{
return(Trading.OrderResult.Fail);
}
var order = await trading.PostOrderAsync(LimitOrder.Sell(symbol, shares, limitPrice).WithDuration(timeInForce));
return(Trading.OrderResult.Success);
} catch (Exception ex) {
await Log.Error($"{MethodBase.GetCurrentMethod().DeclaringType}: {MethodBase.GetCurrentMethod().Name}", ex);
return(Trading.OrderResult.Fail);
}
}
private static async Task SubmitLimitOrder(string symbol, OrderSide orderSide, decimal price, int quantity)
{
LimitOrder order;
IAlpacaTradingClient client;
client = Core.ServiceProvider.GetService <IAlpacaTradingClient>();
if (orderSide == OrderSide.Buy)
{
order = LimitOrder.Buy(symbol, quantity, price);
try
{
var result = await client.PostOrderAsync(order);
Core.Logger.LogInfo($"Order for {result.Symbol} submitted at {result.CreatedAtUtc}");
}
catch (Exception e)
{
Core.Logger.LogError($"{symbol} could not be limit ordered: {e.Message}");
}
}
if (orderSide == OrderSide.Sell)
{
order = LimitOrder.Sell(symbol, quantity, price);
try
{
var result = await client.PostOrderAsync(order);
Core.Logger.LogInfo($"Order for {result.Symbol} submitted at {result.CreatedAtUtc}");
}
catch (Exception e)
{
Core.Logger.LogError($"{symbol} could not be limit ordered: {e.Message}");
}
}
}