The example in the attached screen shot will take several minutes to load .. even without the data feed attached.
ie just using the stored historical data.
I then get another 2 to 5 minute delay when I connect a data feed.
In this case IQfeed.
This problem is made worse by the dreaded 'Loading Data' always-on-top dialog box... It stays there during the whole loading process and NT is pretty much crippled until its finished.

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