This is a new problem since upgrading to IB's TWS 872.6 and NT 6.0.1000.3 from 6.0.1000.2. I have a master account and several subaccounts with IB. In the past when I connect in the Positions tab each subaccount is shown with its open positions. Now the positions flash up, but they are associated with the master account and then disappear as then next subaccount cycles through. The data in the Accounts tab shows the subaccounts correctly. I have rechecked the settings both on TWS and NT and they are as described in the documentation.
Thanks in advance for your help with this.
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