Recommended tools:
https://www.mql5.com/en/market/product/133653
https://www.mql5.com/en/market/product/45264
https://www.mql5.com/en/market/product/133653
https://www.mql5.com/en/market/product/45264
classicaltrading
Perfect. Exactly what I wanted to quickly and easily visualize the spread history over time. The indicator loads in an instant - the best historical spread indicator I have seen yet.
https://www.mql5.com/en/market/product/145512
https://www.mql5.com/en/market/product/145512