i need to run optimization models and backtests on developed market equities. I have access to Refinitivs Eikon, but it doesnt have a backtest tool and downloading the data is a challenge on his own. I know little to nothing about other sources, which one would yo recommend?
Thanks a lot!
EDIT: I'm looking for a recommendation on traditional data providers which give you Fundamental data, prices and the like out-of-the-box. Hopefully with the option to download such data so i can run diferent optimization methods.