Thank you for your input. I will try and get back to you after I'm done developing my strategy. I also found a (paid) service at https://www.getvolatility.com/products/backtesting/ for options backtesting, however I would be glad if someone who has used it before can give some review about it.
After 2 years of trial and error with different strategies that I gathered from books etc, I have realized (maybe a bit late) that I have to create my own edge/strategy in order to be a profitable trader and also have the discipline to stick to my system during bad times.
However, I can't seem...