msft ib chart

Market data from yahoo MAY already include corrections and filters for certain trade types. Refresh the IB chart if you have the recording from their "realtime" data, you may see a different chart then due to tapping their historical (and hopefully corrected) database.
 
Quote from clarodina:

ib support is really crap

anyonw know the reason for the different ? the ib is on demo

I believe you have your answer...demo...
 
Yes, the charts you see in the TWS demo are just random numbers generated by a computer and not real stock values at all. They also move in a very different way during real time so it's pretty useless if you want to practice paper trading.
 
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