Some python education (when backtesting goes wrong)
Hi everyone, I recently made a post about insider performance highly outperforming real performance by crazy amounts. While this is still true, I want to highlight a bug that made this way higher than it should’ve been. Hopefully this also helps those of you that are interested in programming and backtesting your own things. Basically, to do this backtesting I was pulling the tickers from my database, sorting and filtering, then getting the long term
