Point-in-Time
4 reasons people don’t trust your backtest
Some analysts spend months building backtests that no-one is willing to trust. Learn why, and what to do about it.
3 reasons why GitHub timestamps shouldn’t be trusted
GitHub timestamps can be trivially altered and should not be trusted for recording the provenance of code or data. Proceed with caution.
Financial data must be made point-in-time
Financial analysis will often yield incorrect results if the underlying data is not point-in-time.