I have some problem with the backtesting.
First of all I'm not able to deal with account size in the terms I use it.
I can't figure out how to backtest with an initial amount for the first purchase. Then if I sell this with a profit the profit is included in my account and I am then able to buy more shares next time I buy etc. and in that way operate with compound interest.
Furthermore I do not know how to se a graph of the cumulative profit on daily basis but only every time I sell and realize money. How do I do that?
Do I need some add-ons or something to be able to backtest the way I need to improve my strategy?
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