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[amibroker] Unusual Backtest Behaviour



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Hi, 

I have backtested a strategy and recently the results
were shown to be better by a significant margin, and
several days later, significantly less in the end
capital, eventhough ALL parameters and code were the
same. 

Has anyone had such odd behavior from the backtester?
I have reinstalled my database, and the results have
gone  back to those before the last week or so. I
can't place the source of the problem other than
possibly the database corrupting somehow.

In addition, the backtest results indicated that the
system had undergone a drawdown of -95.88%, while the
equity curve is clearly positive and healthy for the
tested period. None of this makes sense, and I'd
appreciate any suggestions. Possibly, I'll install the
newest version of AmiBroker. 



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