Backtest wrong figures

[mane]

Using backtest I get some wrong figures under the "Net Return on Investment" as shown on the following screenshot:

I can't figure out why that is happening but I am willing to debug it if any hint.

[Wladastic]

Interesting find. I never noticed that. It may be due to the signal itself, looking at the prices it did make a profit there.

[ArnisL]

Likely related #217