Category Archives: Uncategorized

To: All Third-party vendors that connect to IB TWS via the API As you are most likely already aware, CME is changing their market data fee structure which will dramatically increase market data fees for “black-box” users of market data. … Continue reading →

If you are still using an old version of TWS, you need to upgrade to version 940 or above to use the API. You can download the upgrade directly from the IB website or you can get a stable upgrade … Continue reading →

If you are trading these 2 symbols, you need to set the exchange to ARCA instead of SMART to be able to get data into BT. Thanks to Chuck G. for this finding.

The latest BT (2013r13) was modified to allow trading mini contracts for the same symbol. The included symbols now default to the mini contracts. To trade the full contracts, you need to go to the Add/Delete Symbols option in the … Continue reading →

IB is always updating their TWS or API, which is both a good thing and a bad thing. The good part is that bugs will be fixed, new features will be added and functions will be more streamlined. The bad … Continue reading →

My apologies. I’m right now in a country where it’s hard to get a decent internet connection, so I won’t be able to answer my emails and forum questions right away. I’ll be back on Monday.

This is from one of the posts in the following thread – “It’s not a “good practice” to cancel a limit order very close to the fill price, which could cause all kinds of unexpected behaviors …” http://finance.groups.yahoo.com/group/TWSAPI/message/29045 This occurs … Continue reading →

There were some users having problems getting the real time commissions from IB in the new release. One user reported back having solved the problem by updating the TWS to the latest version. So, if you are having problems, update … Continue reading →

There might be a problem with the API version checker added in the latest version with users in Europe. The problem is due to the decimal point in European systems using a comma instead of a period. Two work arounds … Continue reading →

I was playing around with the pre-release copy of Windows 8 installed on my old laptop . TWS and Bracket Trader works fine but there will be a steep learning curve to use Windows 8. Just see if you can … Continue reading →