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Found the problem. I tried to do a print(conn.connect()) after making the connection. That 'opened' two connections and only one .disconnect() calls.

Apology if I misinterpreted that sentence.

Ok, thanks. I never investigated this but tossed it in the hat since the OP is still looking for info.

Show me the manual reference for your statement. What I see in the manual is * *Master API client ID*- The API client with the specified client ID will receive all orders, even those placed by other

The order was initially placed as a LMT order via the API, but was subsequently amended to a MKT order via TWS. Modifications in TWS to orders placed via the API are always notified to the API via the

Per the manual, this won't work. The ClientID = 0 is reserved for TWS itself. And choosing a ClientID to receive all API trades is said to not receive those from TWS.

Richard, I ran into another problem: the connection doesn't get dropped. Server Response: error, <error id=-1, errorCode=326, errorMsg=Unable connect as the client id is already in use. Retry with a

You might look into using client id of 0. I don't know if this applies to your situation but normally a client id of 0 is required to be notified of orders entered in TWS.

Correct, but it didn't work for me for some reason. Had to restart my TWS for my paper trading acct to make it work. http://i.imgur.com/QvkPBNq.png http://i.imgur.com/QvkPBNq.png

Well, I’ve just tried this myself with the paper-trading system and I don’t get the same result – and I wouldn’t expect to. I’ve never seen a missed order status in 12+years of using the

As explained to me by support we now have an "improved" way of downloading the Gateway via the IB logon screen, and selecting IB Gateway. As explained by Ben's earlier post on Linux this downloads a

That’s not quite true. When you change the API port in TWS’s global configuration dialog, it pops up a message box asking if you want to apply the new setting immediately. (But maybe you’re

I was stuck on the same problem for a few hours, and finally figured out that I was using the wrong port address. Also, it takes restarting of TWS to change ports.

I actually cancels myself when amending an order via the API and haven't run into an issue....yet but do understand the race condition and actually leave a small pause in-between (not doing HFT here

TWSAPI@...> wrote: I should clarify there are still hundreds of JVM garbage collector parameters you can tune. The permanent generation removal has been offset by the introduction of the

I have seen this suggested by several different people but I have always been skeptical. If I submit an order at 9am that passes margin checks and then proceed to loose 90% of my account by noon, I

Ben, this is great. I don't understand Java so I appreciate the "answer" that there isn't much that can be done since the source is closed and the traditional "command line" memory parameters are

What type of speed improvements are you looking for? When most people talk about speed and trading they are trying to achieve a specific latency outcome, ie completion of a given operation within a

I'm on Linux so I can't be sure what the OSX installer does. However I assume they're similar. The following was tested with TWS release 954.2a. On Linux the Install4J-based installer mainly installs

Are there any tips to eek out any speed improvements when implementing IB Gateway (IBG) for the access to IB. My OS is Win7 Pro. Using IB Controller to invoke IBG. I'm wondering about the Setting in