I am not able to receive data(Time and Sales) for some instruments especially stocks such as SPY, BA. Thing is that It happens about 70% of the time. In other words, sometimes I can receive data. The result is that their charts do not get updated.
For example, you can see it from the screenshot I attached. Some instruments are blank.
Also NinjaTrader 7 has no similar issues. But I do not want to go back to the 7 because it has other problems with IB.
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