I am having problems with historical data. I have downloaded minute charts for ZC (Corn Futures) dating from 1 Jan 2016 until present from my data provider (IQFeed). I can draw a volume profile back until 16.04.25, but no further.
I have tried downloading tick data too, but that does not solve the problem.
I have tried various contracts (including continuous contract), but to no avail.
I have reloaded all data and options/data/get data from server (if possible) is checked.
What am I doing wrong?
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