I'm trying to make an strategy backtest in FDAX before 2015. I've bought data from Tickdata.com and imported it to Ninjatrader 7.
There appear no problems in the import, so I suppose it is all imported. But when I try to backtest any strategy (even the samples) before 2015 and including that year I can't see anything before year 2015. If I try to backtest only years before 2015 there are no results.
Is there anything I must change? Thank you.
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