However, after a period of time (say 30mins) when I switch back between Instruments I get a blank chart with no data. For example, if Im in CL I have data but then switch to 6E I get no data. Then if I switch back to CL I get data.
If I restart Ninjatrader I once again get all data.
Any idea what is causing this. Its doing my head in.
Thanks,
Steve
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