For my short strategy, If I backtest 1/1/2009 - Today, nothing at all comes up. But if I backtest 4/1/2009 to Today, I get a total of 34 trades that ends at 2/10/10 (All trades closed, no error). Now there are more trades missing after 2/10/10.
Now If I backtest anywhere from (2/10/2010 - 2/18/2010) - Today, Nothing comes up. But as soon as I search from 2/19/210 to Today I get another 22 trades until 06/14/210 (All trades closed with no error) Again there are still more trades after 06/14/210 if I search from 6-20-2010 till today.
What is causing this behavior?
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