Welcome to backtester! Backtester was born out of this project: https://covidactnow.org/ The goal of the project is to help backtest our forecasts to make sure they are as accurate as possible against historical time series. Examples -- To Do -- ToDos: https://nbviewer.jupyter.org/github/AllenDowney/ProbablyOverthinkingIt/blob/master/sp500.ipynb Other libraries: http://pmorissette.github.io/bt/ https://pypi.org/project/Backtesting/ https://qtpylib.io/docs/latest/index.html