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Sample Code

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The following EFS sample strategy "NTSample" is located in the <NinjaTrader installation folder>\bin\AutoTrade\NTSample.efs folder. This sample is intended demonstrate the use of NinjaTrader functions in EFS and NOT to illustrate any best practice or approach in function implementations.

 

/* Copyright (c) 2005, NinjaTrader LLC ninjatrader@ninjatrader.com. All rights reserved. */

 

 

var dll    = new DLL("NtDirect.dll");

var orderPlaced = false;

var printDone = false;

 

function preMain()

{

   setPriceStudy(true);

   setStudyTitle("NT Sample");

   dll.addFunction("AvgEntryPrice", DLL.DOUBLE, DLL.STDCALL, "AvgEntryPrice", DLL.STRING, DLL.STRING);

   dll.addFunction("AvgFillPrice", DLL.DOUBLE, DLL.STDCALL, "AvgFillPrice", DLL.STRING, DLL.STRING);

   dll.addFunction("BuyingPower", DLL.String, DLL.STDCALL, "BuyingPower", DLL.DOUBLE);

   dll.addFunction("CashValue", DLL.String, DLL.STDCALL, "CashValue", DLL.DOUBLE);

   dll.addFunction("Command", DLL.INT, DLL.STDCALL, "Command", DLL.STRING, DLL.STRING, DLL.STRING, DLL.STRING, DLL.INT, DLL.STRING, DLL.DOUBLE,

                             DLL.DOUBLE, DLL.STRING, DLL.STRING, DLL.STRING, DLL.STRING, DLL.STRING);

   dll.addFunction("ConfirmOrders", DLL.INT, DLL.STDCALL, "ConfirmOrders", DLL.INT);

   dll.addFunction("Connected", DLL.INT, DLL.STDCALL, "Connected", DLL.INT);

   dll.addFunction("Filled", DLL.INT, DLL.STDCALL, "Filled", DLL.STRING, DLL.STRING);

   dll.addFunction("MarketPosition", DLL.INT, DLL.STDCALL, "MarketPosition", DLL.STRING, DLL.STRING);

   dll.addFunction("NewOrderId", DLL.STRING, DLL.STDCALL, "NewOrderId");

   dll.addFunction("Orders", DLL.STRING, DLL.STDCALL, "Orders", DLL.STRING);

   dll.addFunction("OrderStatus", DLL.STRING, DLL.STDCALL, "OrderStatus", DLL.STRING, DLL.STRING);

   dll.addFunction("RealizedPnL", DLL.STRING, DLL.STDCALL, "RealizedPnL", DLL.DOUBLE);

   dll.addFunction("SetUp", DLL.INT, DLL.STDCALL, "SetUp", DLL.STRING, DLL.INT);

   dll.addFunction("StopOrders", DLL.STRING, DLL.STDCALL, "StopOrders", DLL.STRING);

   dll.addFunction("Strategies", DLL.STRING, DLL.STDCALL, "Strategies", DLL.STRING);

   dll.addFunction("StrategyPosition", DLL.INT, DLL.STDCALL, "StrategyPosition", DLL.STRING);

   dll.addFunction("TargetOrders", DLL.STRING, DLL.STDCALL, "TargetOrders", DLL.STRING);

   dll.addFunction("TearDown", DLL.INT, DLL.STDCALL, "TearDown");

}

 

function main()

{

   if (isLastBarOnChart() && NTConnected(1))

   {

       if (!orderPlaced)

       {

           if (NTBuyMarket("MyOrderId", 1) == 0) // buy 1 unit at market, assign order id (optionally)

           orderPlaced = true;

       }

       else

       {

          // print some information on the current position and order

           debugPrint("Position size: " + NTMarketPosition("") + "\r\n");

           debugPrint("AvgEntryPrice: " + NTAvgEntryPrice("") + "\r\n");

           debugPrint("OrderStatus: " + NTOrderStatus("MyOrderId") + "\r\n");

           debugPrint("Filled #: " + NTFilled("MyOrderId") + "\r\n");

           debugPrint("AvgFillPrice: " + NTAvgFillPrice("MyOrderId") + "\r\n");

           debugPrint("RealizedPnL: " + NTRealizedPnL("") + "\r\n");

       }

   }

}

 

// Get the average entry price of a position of an account. "account" is optional.

function NTAvgEntryPrice(account) {

   return dll.call("AvgEntryPrice", getSymbol(), account);

}

 

// Get the average fill price of an order at an account.

function NTAvgFillPrice(orderId) {

   return dll.call("AvgFillPrice", orderId, account);

}

 

// Get the buying power of an account.

function NTBuyingPower(account) {

   return dll.call("BuyingPower", account);

}

 

// Place a buy limit order. "orderId" is optional (set to "" it not applicable).

function NTBuyLimit(orderId, quantity, limitPrice) {

   return NTCommand("Place", "", "Buy", quantity, "Limit", limitPrice, 0, "", "", orderId, "", "");

}

 

// Place a buy market order. "orderId" is optional (set to "" it not applicable).

function NTBuyMarket(orderId, quantity) {

   return NTCommand("Place", "", "Buy", quantity, "Market", 0, 0, "", "", orderId, "", "");

}

 

// Place a buy stop order. "orderId" is optional (set to "" it not applicable).

function NTBuyStop(orderId, quantity, stopPrice){

   return NTCommand("Place", "", "Buy", quantity, "Stop", 0, stopPrice, "", "", orderId, "", "");

}

 

// Cancel an order by its order id.

function NTCancel(orderId) {

   return NTCommand("Cancel", "", "", 0, "", 0, 0, "", "", orderId, "", "");

}

 

// Cancel all orders at all accounts.

function NTCancelAllOrders() {

   return NTCommand("CancelAllOrders", "", "", 0, "", 0, 0, "", "", "", "", "");

}

 

// Get the cash value of an account.

function NTCashValue(account) {

   return dll.call("CashValue", account);

}

 

// Change an order by its order id.

function NTChange(orderId, quantity, limitPrice, stopPrice) {

   return NTCommand("Change", "", "", quantity, "", limitPrice, stopPrice, "", "", orderId, "", "");

}

 

// Close any position of the current instrument at an account. "account" is optional (set to "" it not applicable).

function NTClosePosition(account) {

   return NTCommand("ClosePosition", account, "", 0, "", 0, 0, "", "", "", "", "");

}

 

// Submits a NinjaTrader command.

function NTCommand(command, account, action, quantity, orderType, limitPrice, stopPrice, timeInForce, oco, orderId, template, strategy) {

   return dll.call("Command", command, account, getSymbol(), action, quantity, orderType, limitPrice, stopPrice, timeInForce, oco, orderId,

   template, strategy);

}

 

// Indicates if the connection to NinjaTrader is established. 0 = connected, -1 not connected.

function NTConnected() {

   return (dll.call("Connected") == 0)

}

 

// Get the filled of an order at an account.

function NTFilled(orderId) {

   return dll.call("Filled", orderId, account);

}

 

// Close all positions and cancels all order at all account.

function NTFlattenEverything() {

   return NTCommand("FlattenEverything", "", "", 0, "", 0, 0, "", "", "", "", "");

}

 

// Get a double value by its name.

function NTGetDouble(name) {

   return dll.call("GetDouble", name);

}

 

// Get an integer value by its name.

function NTGetInt(name) {

   return dll.call("GetInt", name);

}

 

// Get a string value by its name.

function NTGetString(name) {

   return dll.call("GetString", name);

}

 

// Get the market position of the current instrument at na account. "account" is optional (set to "" it not applicable).

function NTMarketPosition(account) {

   return dll.call("MarketPosition", getSymbol(), account);

}

 

// Get a new unqiue order id.

function NTNewOrderId() {

   return dll.call("NewOrderId");

}

 

// Gets a string of order ids of all orders of an account separated by '|'. If a user defined order id was not originally provided, the internal token id
// value is used since it is guaranteed to be unique.

function NTOrders(account) {

   return dll.call("Orders", account);

}

 

// Get the current status of an order.

function NTOrderStatus(orderId) {

   return dll.call("OrderStatus", orderId, account);

}

 

// Get the realized P&L of an account.

function NTRealizedPnL(account) {

   return dll.call("RealizedPnL", account);

}

 

// Place a sell limit order. "orderId" is optional (set to "" it not applicable).

function NTSellLimit(orderId, quantity, limitPrice) {

   return NTCommand("Place", "", "Sell", quantity, "Limit", limitPrice, 0, "", "", orderId, "", "");

}

 

// Place a sell market order. "orderId" is optional (set to "" it not applicable).

function NTSellMarket(orderId, quantity) {

   return NTCommand("Place", "", "Sell", quantity, "Market", 0, 0, "", "", orderId, "", "");

}

 

// Place a sell stop order. "orderId" is optional (set to "" it not applicable).

function NTSellStop(orderId, quantity, stopPrice) {

   return NTCommand("Place", "", "Sell", quantity, "Stop", 0, stopPrice, "", "", orderId, "", "");

}

 

// Place a sell stop limit order. "orderId" is optional (set to "" it not applicable).

function NTSellStopLimit(orderId, quantity, limitPrice, stopPrice) {

   return NTCommand("Place", "", "Sell", quantity, "StopLimit", limitPrice, stopPrice, "", "", orderId, "", "");

}

 

// Get a string of order IDs of all stop orders of a strategy separated by '|'.

function NTStopOrders(strategyId) {

   return dll.call("StopOrders", strategyId);

}

 

// Gets a string of strategy IDs of all strategies of an account separated by '|'. Duplicate ID values can be returned if strategies were initiated outside of the ATI.

function NTStrategies(account) {

   return dll.call("Strategies", account);

}

 

// Get the position of a strategy.

function NTStrategyPosition(strategyId) {

   return dll.call("StrategyPosition", strategyId);

}

 

// Get a string of order IDs of all target orders of a strategy separated by '|'.

function NTTargetOrders(strategyId) {

   return dll.call("TargetOrders", strategyId);

}