I believe Ninja can be used to connect to TT. And you can code anything you want in C# through that. It may save a lot of work. Runningbear
Anybody care to tell us more about Ninjia + TT? We have already been trading manually thru TT Xtrader Pro... Do we need to pay for NinJia? And how does the connectivity work? Is it buggy?
I believe Ninja trader is free for simulated trading, so you can basically build and test without any outlay. Once you want to execute actual trades you'll have to pay.
So that's no use, what we want is exactly the execution via TT, which is not free. So lets focus back on collaboration of developing programs that do the execution.
I run several programs through the TT API daily and code to it every day. It is a very solid API that is extremely well documented and supported.
Connect directly to the TT FIX Adapter (http://www.tradingtechnologies.com/fix-adapter.aspx). Use a free FIX engine such as QuickFIX (http://www.quickfixengine.org/) or something like Cameron if you want a commercial solution. No muss, no fuss, fast (turn coalescing off), reliable, etc...