Yep, some users trade just EURUSD on M15 but with different strategies. That is still a portfolio.
While analyzing the collections in the Pool today, I saw that some of the assets like AUDCHF or AUDNZD are not worth generating and studying strategies. There could be some good EAs…but why would you trade them when there are the majors, right?
Imagine Porche and Bently were at the same prices as Mazda and Toyota. What would one prefer to drive? 🙂