public void ComputeMarginProperlyAsSecurityPriceFluctuates()
{
const decimal leverage = 1m;
const int quantity = (int)(1000 * leverage);
var securities = new SecurityManager(TimeKeeper);
var transactions = new SecurityTransactionManager(securities);
var portfolio = new SecurityPortfolioManager(securities, transactions);
portfolio.CashBook["USD"].Quantity = quantity;
var config = CreateTradeBarDataConfig(SecurityType.Equity, "AAPL");
securities.Add(new Security(SecurityExchangeHours.AlwaysOpen, config, leverage, false));
var time = DateTime.Now;
const decimal buyPrice = 1m;
var security = securities["AAPL"];
security.SetMarketPrice(new TradeBar(time, "AAPL", buyPrice, buyPrice, buyPrice, buyPrice, 1));
var order = new MarketOrder("AAPL", quantity, time)
{
Price = buyPrice
};
var fill = new OrderEvent(order)
{
FillPrice = buyPrice, FillQuantity = quantity
};
Assert.AreEqual(portfolio.CashBook["USD"].Quantity, fill.FillPrice * fill.FillQuantity);
portfolio.ProcessFill(fill);
Assert.AreEqual(0, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var newOrder = new MarketOrder("AAPL", 1, time.AddSeconds(1))
{
Price = buyPrice
};
bool sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, newOrder);
Assert.IsFalse(sufficientCapital);
// now the stock doubles, so we should have margin remaining
time = time.AddDays(1);
const decimal highPrice = buyPrice * 2;
security.SetMarketPrice(new TradeBar(time, "AAPL", highPrice, highPrice, highPrice, highPrice, 1));
Assert.AreEqual(quantity, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity * 2, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var anotherOrder = new MarketOrder("AAPL", 1, time.AddSeconds(1))
{
Price = highPrice
};
sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, anotherOrder);
Assert.IsTrue(sufficientCapital);
// now the stock plummets, so we should have negative margin remaining
time = time.AddDays(1);
const decimal lowPrice = buyPrice / 2;
security.SetMarketPrice(new TradeBar(time, "AAPL", lowPrice, lowPrice, lowPrice, lowPrice, 1));
Assert.AreEqual(-quantity / 2m, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity / 2m, portfolio.TotalPortfolioValue);
// this would not cause a margin call due to leverage = 1
bool issueMarginCallWarning;
var marginCallOrders = portfolio.ScanForMarginCall(out issueMarginCallWarning);
Assert.AreEqual(0, marginCallOrders.Count);
// now change the leverage and buy more and we'll get a margin call
security.SetLeverage(leverage * 2);
order = new MarketOrder("AAPL", quantity, time)
{
Price = buyPrice
};
fill = new OrderEvent(order)
{
FillPrice = buyPrice, FillQuantity = quantity
};
portfolio.ProcessFill(fill);
Assert.AreEqual(0, portfolio.TotalPortfolioValue);
marginCallOrders = portfolio.ScanForMarginCall(out issueMarginCallWarning);
Assert.AreNotEqual(0, marginCallOrders.Count);
Assert.AreEqual(-security.Holdings.Quantity, marginCallOrders[0].Quantity); // we bought twice
Assert.GreaterOrEqual(-portfolio.MarginRemaining, security.Price * marginCallOrders[0].Quantity);
}
public void ComputeMarginProperlyAsSecurityPriceFluctuates()
{
const decimal leverage = 1m;
const int quantity = (int) (1000*leverage);
var securities = new SecurityManager(TimeKeeper);
var transactions = new SecurityTransactionManager(securities);
var orderProcessor = new OrderProcessor();
transactions.SetOrderProcessor(orderProcessor);
var portfolio = new SecurityPortfolioManager(securities, transactions);
portfolio.CashBook["USD"].SetAmount(quantity);
var config = CreateTradeBarDataConfig(SecurityType.Equity, Symbols.AAPL);
securities.Add(new Security(SecurityExchangeHours, config, new Cash(CashBook.AccountCurrency, 0, 1m), SymbolProperties.GetDefault(CashBook.AccountCurrency)));
var security = securities[Symbols.AAPL];
security.SetLeverage(leverage);
var time = DateTime.Now;
const decimal buyPrice = 1m;
security.SetMarketPrice(new TradeBar(time, Symbols.AAPL, buyPrice, buyPrice, buyPrice, buyPrice, 1));
var order = new MarketOrder(Symbols.AAPL, quantity, time) {Price = buyPrice};
var fill = new OrderEvent(order, DateTime.UtcNow, 0) { FillPrice = buyPrice, FillQuantity = quantity };
orderProcessor.AddOrder(order);
var request = new SubmitOrderRequest(OrderType.Market, security.Type, security.Symbol, order.Quantity, 0, 0, order.Time, null);
request.SetOrderId(0);
orderProcessor.AddTicket(new OrderTicket(null, request));
Assert.AreEqual(portfolio.CashBook["USD"].Amount, fill.FillPrice*fill.FillQuantity);
portfolio.ProcessFill(fill);
Assert.AreEqual(0, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var newOrder = new MarketOrder(Symbols.AAPL, 1, time.AddSeconds(1)) {Price = buyPrice};
bool sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, newOrder);
Assert.IsFalse(sufficientCapital);
// now the stock doubles, so we should have margin remaining
time = time.AddDays(1);
const decimal highPrice = buyPrice * 2;
security.SetMarketPrice(new TradeBar(time, Symbols.AAPL, highPrice, highPrice, highPrice, highPrice, 1));
Assert.AreEqual(quantity, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity * 2, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var anotherOrder = new MarketOrder(Symbols.AAPL, 1, time.AddSeconds(1)) { Price = highPrice };
sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, anotherOrder);
Assert.IsTrue(sufficientCapital);
// now the stock plummets, so we should have negative margin remaining
time = time.AddDays(1);
const decimal lowPrice = buyPrice/2;
security.SetMarketPrice(new TradeBar(time, Symbols.AAPL, lowPrice, lowPrice, lowPrice, lowPrice, 1));
Assert.AreEqual(-quantity/2m, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity/2m, portfolio.TotalPortfolioValue);
// this would not cause a margin call due to leverage = 1
bool issueMarginCallWarning;
var marginCallOrders = portfolio.ScanForMarginCall(out issueMarginCallWarning);
Assert.AreEqual(0, marginCallOrders.Count);
// now change the leverage and buy more and we'll get a margin call
security.SetLeverage(leverage * 2);
order = new MarketOrder(Symbols.AAPL, quantity, time) { Price = buyPrice };
fill = new OrderEvent(order, DateTime.UtcNow, 0) { FillPrice = buyPrice, FillQuantity = quantity };
portfolio.ProcessFill(fill);
Assert.AreEqual(0, portfolio.TotalPortfolioValue);
marginCallOrders = portfolio.ScanForMarginCall(out issueMarginCallWarning);
Assert.AreNotEqual(0, marginCallOrders.Count);
Assert.AreEqual(-security.Holdings.Quantity, marginCallOrders[0].Quantity); // we bought twice
Assert.GreaterOrEqual(-portfolio.MarginRemaining, security.Price * marginCallOrders[0].Quantity);
}
public void ComputeMarginProperlyAsSecurityPriceFluctuates()
{
const decimal leverage = 1m;
const int quantity = (int) (1000*leverage);
var securities = new SecurityManager(TimeKeeper);
var transactions = new SecurityTransactionManager(securities);
var portfolio = new SecurityPortfolioManager(securities, transactions);
portfolio.CashBook["USD"].Quantity = quantity;
var config = CreateTradeBarDataConfig(SecurityType.Equity, "AAPL");
securities.Add(new Security(SecurityExchangeHours, config, leverage, false));
var time = DateTime.Now;
const decimal buyPrice = 1m;
var security = securities["AAPL"];
security.SetMarketPrice(new TradeBar(time, "AAPL", buyPrice, buyPrice, buyPrice, buyPrice, 1));
var order = new MarketOrder("AAPL", quantity, time) {Price = buyPrice};
var fill = new OrderEvent(order){FillPrice = buyPrice, FillQuantity = quantity};
Assert.AreEqual(portfolio.CashBook["USD"].Quantity, fill.FillPrice*fill.FillQuantity);
portfolio.ProcessFill(fill);
Assert.AreEqual(0, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var newOrder = new MarketOrder("AAPL", 1, time.AddSeconds(1)) {Price = buyPrice};
bool sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, newOrder);
Assert.IsFalse(sufficientCapital);
// now the stock doubles, so we should have margin remaining
time = time.AddDays(1);
const decimal highPrice = buyPrice * 2;
security.SetMarketPrice(new TradeBar(time, "AAPL", highPrice, highPrice, highPrice, highPrice, 1));
Assert.AreEqual(quantity, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity * 2, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var anotherOrder = new MarketOrder("AAPL", 1, time.AddSeconds(1)) { Price = highPrice };
sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, anotherOrder);
Assert.IsTrue(sufficientCapital);
// now the stock plummets, so we should have negative margin remaining
time = time.AddDays(1);
const decimal lowPrice = buyPrice/2;
security.SetMarketPrice(new TradeBar(time, "AAPL", lowPrice, lowPrice, lowPrice, lowPrice, 1));
Assert.AreEqual(-quantity/2m, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity/2m, portfolio.TotalPortfolioValue);
// this would not cause a margin call due to leverage = 1
bool issueMarginCallWarning;
var marginCallOrders = portfolio.ScanForMarginCall(out issueMarginCallWarning);
Assert.AreEqual(0, marginCallOrders.Count);
// now change the leverage and buy more and we'll get a margin call
security.SetLeverage(leverage * 2);
order = new MarketOrder("AAPL", quantity, time) { Price = buyPrice };
fill = new OrderEvent(order) { FillPrice = buyPrice, FillQuantity = quantity };
portfolio.ProcessFill(fill);
Assert.AreEqual(0, portfolio.TotalPortfolioValue);
marginCallOrders = portfolio.ScanForMarginCall(out issueMarginCallWarning);
Assert.AreNotEqual(0, marginCallOrders.Count);
Assert.AreEqual(-security.Holdings.Quantity, marginCallOrders[0].Quantity); // we bought twice
Assert.GreaterOrEqual(-portfolio.MarginRemaining, security.Price * marginCallOrders[0].Quantity);
}
public void ComputeMarginProperlyAsSecurityPriceFluctuates()
{
const int quantity = 1000;
var securities = new SecurityManager();
var transactions = new SecurityTransactionManager(securities);
var portfolio = new SecurityPortfolioManager(securities, transactions);
portfolio.CashBook["USD"].Quantity = quantity;
var config = new SubscriptionDataConfig(typeof(TradeBar), SecurityType.Equity, "AAPL", Resolution.Minute, true, true, true, true, true, 0);
securities.Add(new Security(config, 1, false));
var time = DateTime.Now;
const decimal buyPrice = 1m;
securities["AAPL"].Update(time, new TradeBar(time, "AAPL", buyPrice, buyPrice, buyPrice, buyPrice, 1));
var order = new MarketOrder("AAPL", quantity, time)
{
Price = buyPrice
};
var fill = new OrderEvent(order)
{
FillPrice = buyPrice, FillQuantity = quantity
};
Assert.AreEqual(portfolio.CashBook["USD"].Quantity, fill.FillPrice * fill.FillQuantity);
portfolio.ProcessFill(fill);
Assert.AreEqual(0, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var newOrder = new MarketOrder("AAPL", 1, time.AddSeconds(1))
{
Price = buyPrice
};
bool sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, newOrder);
Assert.IsFalse(sufficientCapital);
// now the stock doubles, so we should have margin remaining
time = time.AddDays(1);
const decimal highPrice = buyPrice * 2;
securities["AAPL"].Update(time, new TradeBar(time, "AAPL", highPrice, highPrice, highPrice, highPrice, 1));
Assert.AreEqual(quantity, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity * 2, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var anotherOrder = new MarketOrder("AAPL", 1, time.AddSeconds(1))
{
Price = highPrice
};
sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, anotherOrder);
Assert.IsTrue(sufficientCapital);
// now the stock plummets, so we should have negative margin remaining
time = time.AddDays(1);
const decimal lowPrice = buyPrice / 2;
securities["AAPL"].Update(time, new TradeBar(time, "AAPL", lowPrice, lowPrice, lowPrice, lowPrice, 1));
Assert.AreEqual(-quantity / 2m, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity / 2m, portfolio.TotalPortfolioValue);
// this would cause a margin call
var marginCallOrders = portfolio.ScanForMarginCall();
Assert.AreNotEqual(0, marginCallOrders.Count);
Assert.AreEqual(-quantity, marginCallOrders[0].Quantity);
Assert.GreaterOrEqual(-portfolio.MarginRemaining, marginCallOrders[0].Price * marginCallOrders[0].Quantity);
}
public void ComputeMarginProperlyAsSecurityPriceFluctuates()
{
const decimal leverage = 1m;
const int quantity = (int)(1000 * leverage);
var securities = new SecurityManager(TimeKeeper);
var transactions = new SecurityTransactionManager(securities);
var orderProcessor = new OrderProcessor();
transactions.SetOrderProcessor(orderProcessor);
var portfolio = new SecurityPortfolioManager(securities, transactions);
portfolio.CashBook["USD"].SetAmount(quantity);
var config = CreateTradeBarDataConfig(SecurityType.Equity, Symbols.AAPL);
securities.Add(new Security(SecurityExchangeHours, config, new Cash(CashBook.AccountCurrency, 0, 1m), SymbolProperties.GetDefault(CashBook.AccountCurrency)));
var security = securities[Symbols.AAPL];
security.SetLeverage(leverage);
var time = DateTime.Now;
const decimal buyPrice = 1m;
security.SetMarketPrice(new TradeBar(time, Symbols.AAPL, buyPrice, buyPrice, buyPrice, buyPrice, 1));
var order = new MarketOrder(Symbols.AAPL, quantity, time)
{
Price = buyPrice
};
var fill = new OrderEvent(order, DateTime.UtcNow, 0)
{
FillPrice = buyPrice, FillQuantity = quantity
};
orderProcessor.AddOrder(order);
var request = new SubmitOrderRequest(OrderType.Market, security.Type, security.Symbol, order.Quantity, 0, 0, order.Time, null);
request.SetOrderId(0);
orderProcessor.AddTicket(new OrderTicket(null, request));
Assert.AreEqual(portfolio.CashBook["USD"].Amount, fill.FillPrice * fill.FillQuantity);
portfolio.ProcessFill(fill);
Assert.AreEqual(0, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var newOrder = new MarketOrder(Symbols.AAPL, 1, time.AddSeconds(1))
{
Price = buyPrice
};
bool sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, newOrder);
Assert.IsFalse(sufficientCapital);
// now the stock doubles, so we should have margin remaining
time = time.AddDays(1);
const decimal highPrice = buyPrice * 2;
security.SetMarketPrice(new TradeBar(time, Symbols.AAPL, highPrice, highPrice, highPrice, highPrice, 1));
Assert.AreEqual(quantity, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity * 2, portfolio.TotalPortfolioValue);
// we shouldn't be able to place a trader
var anotherOrder = new MarketOrder(Symbols.AAPL, 1, time.AddSeconds(1))
{
Price = highPrice
};
sufficientCapital = transactions.GetSufficientCapitalForOrder(portfolio, anotherOrder);
Assert.IsTrue(sufficientCapital);
// now the stock plummets, so we should have negative margin remaining
time = time.AddDays(1);
const decimal lowPrice = buyPrice / 2;
security.SetMarketPrice(new TradeBar(time, Symbols.AAPL, lowPrice, lowPrice, lowPrice, lowPrice, 1));
Assert.AreEqual(-quantity / 2m, portfolio.MarginRemaining);
Assert.AreEqual(quantity, portfolio.TotalMarginUsed);
Assert.AreEqual(quantity / 2m, portfolio.TotalPortfolioValue);
// this would not cause a margin call due to leverage = 1
bool issueMarginCallWarning;
var marginCallOrders = portfolio.ScanForMarginCall(out issueMarginCallWarning);
Assert.IsFalse(issueMarginCallWarning);
Assert.AreEqual(0, marginCallOrders.Count);
// now change the leverage to test margin call warning and margin call logic
security.SetLeverage(leverage * 2);
// Stock price increase by minimum variation
const decimal newPrice = lowPrice + 0.01m;
security.SetMarketPrice(new TradeBar(time, Symbols.AAPL, newPrice, newPrice, newPrice, newPrice, 1));
// this would not cause a margin call, only a margin call warning
marginCallOrders = portfolio.ScanForMarginCall(out issueMarginCallWarning);
Assert.IsTrue(issueMarginCallWarning);
Assert.AreEqual(0, marginCallOrders.Count);
// Price drops again to previous low, margin call orders will be issued
security.SetMarketPrice(new TradeBar(time, Symbols.AAPL, lowPrice, lowPrice, lowPrice, lowPrice, 1));
order = new MarketOrder(Symbols.AAPL, quantity, time)
{
Price = buyPrice
};
fill = new OrderEvent(order, DateTime.UtcNow, 0)
{
FillPrice = buyPrice, FillQuantity = quantity
};
portfolio.ProcessFill(fill);
Assert.AreEqual(0, portfolio.TotalPortfolioValue);
marginCallOrders = portfolio.ScanForMarginCall(out issueMarginCallWarning);
Assert.IsTrue(issueMarginCallWarning);
Assert.AreNotEqual(0, marginCallOrders.Count);
Assert.AreEqual(-security.Holdings.Quantity, marginCallOrders[0].Quantity); // we bought twice
Assert.GreaterOrEqual(-portfolio.MarginRemaining, security.Price * marginCallOrders[0].Quantity);
}