Hi again, maybe the book is worth it, I honestly don't know, but to back test trading strategies, you only need data and python... Also I don't live in the UK,

Hi again, maybe the book is worth it, I honestly don't know, but to back test trading strategies, you only need data and python... Also I don't live in the UK, so I have not researched this and I would strongly recommend talking to a good accountant to avoid costly mistakes...