When data is reloaded the correct volume appears again. This appears to be a calculation bug only with stocks. Interactive Brokers has a volume multiplier of 100 for stocks. Possible bug in updating the volume correctly in Real-Time. This does not seem to be a problem for futures data.
As IB does not have tick or volume charts, this is a serious issue that will prevent trading equities where you have to rely on volume information.
Thanks
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