Problem getting data from ibtws

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Will 2018-12-21

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https://ww2.mathworks.cn/matlabcentral/answers/436756-problem-getting-data-from-ibtws

评论： Annie Leonhart 2020-3-21

Hi guys,

I was testing out the trading toolbox with interactive brokers. I established the connection and tried to run the following code:

ib = ibtws('',7496)
ibContract = ib.Handle.createContract;
ibContract.symbol = 'AAPL';
ibContract.secType = 'STK';
ibContract.exchange = 'SMART';
ibContract.primaryExchange = 'NASDAQ';
ibContract.currency = 'USD';
startdate = floor(now) - 5;
enddate = floor(now);
d = history(ib,ibContract,startdate,enddate) 

It returned:

ib = 
  ibtws with properties:
    ClientId: 0
      Handle: [1×1 COM.TWS_TwsCtrl]
        Host: ''
        Port: 7496
d =
    'Unable to read beyond the end of the stream.'

Does anyone know why?

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Rosanna Campagna 2019-7-28

Same problem, could you help me?

Oliver Rubicon 2019-12-28

Same problem, can someone help?

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回答（2 个）

Will 2019-1-7

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https://ww2.mathworks.cn/matlabcentral/answers/436756-problem-getting-data-from-ibtws#answer_355279

Anyone?

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Annie Leonhart 2019-12-1

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https://ww2.mathworks.cn/matlabcentral/answers/436756-problem-getting-data-from-ibtws#answer_404122

在 MATLAB Online 中打开

Please set the primaryExchange to 'SMART', they cannot be different from my testing. In some cases you need to run the command twice, becasue Matlab isn't accounting for the time needed for the API to connect to the historical data feed.

I am using Matlab 2019a: Trading Toolbox 3.5.1 & TWS Api 9.76

ib = ibtws('',4001, 0)
ibContract = ib.Handle.createContract;
ibContract.symbol = 'AAPL';
ibContract.secType = 'STK';
ibContract.exchange = 'SMART';
ibContract.primaryExchange = 'SMART';
ibContract.currency = 'USD';
startdate = floor(now) - 5;
enddate = floor(now);
d = history(ib,ibContract,startdate,enddate) 