[amibroker] Auto analysis - problem single stock vs portfolio

["bigal793" <alan.m.hyde@xxxxxxxxx>]

Hi

I'm confused with the results i'm getting. I have a simple system which exits every trade after 215 days.

When I backtest the system against a single stock it works correctly. For my range of 3 years I get 2 trades - one closed after 216 days and the other still open at the end of the range at 86 days.

However when I backtest with this same stock as part of a watchlist i get one trade of 430 days?

When i use Explore the results look correct. i.e. 2 trades as per the single stock backtest results.

Can anyone help please?

Thanks Alan



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