Trading Toolbox IB API Version
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I have MatLab 2016b (64 bit) (9.1.0.441655) including the Trading Toolbox Which version of the IB TWS API is this version of the Trading toolbox meant to work with ? I cannot find this anywhere in the documentation.
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Steven Lord
2017-3-4
From the documentation, "Note: IB Trader Workstation versions 9.69 and 9.7 and later are supported."
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Yair Altman
2018-1-12
Sometime in recent years, presumably around TWS API 9.70, IB changed their COM server's ProgID from 'TWS.TwsCtrl.1' to 'TWS.TwsCtrl'. This breaks the Trading Toolbox code, which assumes a ProgId of 'TWS.TwsCtrl.1'. Since the Trading Toolbox's code is encrypted, you cannot modify its expected ProgId. The best you could do is to try to uninstall your API and install an old version (possibly with the assistance of IB). Note that this might break other things for you - the old API version might not be fully supported by IB today, but it's worth trying.
Or you can try my Java-API-based IB-Matlab connector which does not rely on COM and does not exhibit any of the problems that are common with the ActiveX/COM-based interface.
Yair Altman
p.s. - regarding your other question in this thread, 9.69 refers to the IB API version, not the TWS version. As of this moment, the latest version of the IB API is 9.73, which was just recently released, on Dec 28, 2017.
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