Interactive Brokers Data Feed

Has anyone here been facing Data issues with Interactive Brokers? Their Open and Close data is almost always wrong for Indices and most of the big stocks. I contacted them twice a year back and they came back to me saying yes, our data is wrong but we can only publish what we receive from the exchange. any IB users?
yes, iam also facing....same problem... iam thinking to shift data from IB to GDF...or Esignals..., data wrong due to maybe free data...

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