Using Chart Viewer with Old Backtests?

Posted By: scotpip

Using Chart Viewer with Old Backtests? - 10/09/21 18:22

Hi

Is there any way use the Chart Viewer to view the logged results of an old backtest without having to re-run the whole test and click the [Result] button?

If not, is there some way I could code this up?

Apologies if I'm missing anything obvious....
Posted By: Spirit

Re: Using Chart Viewer with Old Backtests? - 10/10/21 09:41

The equity curve of the old backtest is stored in a csv file, I think with a small script that loads the equity at any bar you can plot that curve again.
Posted By: scotpip

Re: Using Chart Viewer with Old Backtests? - 10/10/21 12:44

Thanks - but what I'm really looking for is the ability to debug the trades on the chart.

I find that a very helpful exercise when trying to develop filters.
Posted By: jcl

Re: Using Chart Viewer with Old Backtests? - 10/11/21 09:48

The trades are saved to testrades.csv. You can load it in a dataset, then fill a TRADE struct with any record and enter it with the enterTrade() function. That should work, but that script would be a bit bigger, and AFAIK no one has written such a script yet.
Posted By: scotpip

Re: Using Chart Viewer with Old Backtests? - 10/11/21 14:49

Thanks - I'll give it a go.

Perhaps you could consider the ability to save and replay results as a feature?

For slower tests, this would be useful, I think.
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