Changing order on unmanaged

[guillembm]

Imagine this scenario with unmanaged orders:

1. I submit a limit order for 1,000,000
2. Order is part filled by 500,000
3. The price changes and I send a ChangeOrder to set a new price for the limit order.

When setting the change order I have to set the original quantity of the submited limit order or the remaining quantity?

ChangeOrder(MyOrder, Quantity, Price, 0);

[NinjaTrader_Bertrand]

guillembm, you would set this for the remaining qty then - however executions could still be coming in for the working order in partfilled state (while you send the change request), so you need to carefully monitor.

[guillembm]

So, the best way to monitor the remaining quantity would be Position.Quantity?

[NinjaTrader_Bertrand]

That would be one way, but closer would be changing the order in OnExecution(), here you would know execution.Quantity - http://www.ninjatrader.com/support/h...iexecution.htm