Why do I get "No method 'reqHistoricalDataEx' with matching signature found for class 'COM.TWS_TwsCtrl_1'." in 2014a

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Mike
Mike 2014-7-12
评论： Ruben Colomina 2014-8-10
When I try to use the 'ibtws' class in MATLAB R2014a to access data from the Interactive Brokers (IB) Trader Workstation , for instance if I am trying to run the following example function 'timeseries', I get the following error:
No method 'reqHistoricalDataEx' with matching signature found for class 'COM.TWS_TwsCtrl_1'.
Error in ibtws/timeseries (line 101) c.Handle.reqHistoricalDataEx(1,s,endDateTime,durationString,barsize,ticktype,0,1)
My code is as follows, how can I fix this? Thanks
IB = ibtws('',7496); ibContract = IB.Handle.createContract; ibContract.symbol = '700'; ibContract.secType = 'STK'; ibContract.exchange = 'SEHK'; ibContract.currency = 'HKD';
startdate = floor(now-3); enddate = now; barsize = '5 mins'; Test = timeseries(IB,ibContract,startdate,enddate,barsize);

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回答（1 个）

Yair Altman
Yair Altman 2014-7-12
You may wish to try the cross-platform IB-Matlab product, which is Java-based (not ActiveX):
http://undocumentedmatlab.com/ib-matlab
IB-Matlab doesn't have such bugs, it is very reliable.

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