You can check a few places, try coingecko coinlib.io, there are a few. coinlib may prove to be more useful though as a free service. Source: over 2 years ago

It's not about "market cap", which is a myth in the crypto space anyway: I made 1 billion of my proprietary tokens, and sold .001 to myself in another wallet for $1. Therefore my token's market cap is $1 trillion. I'm sure banks will let me buy a hundred million dollar mansion now since my net worth is verfiably gigantic. It's about cash "equivalent" in flow and out flow that tether/stable coins make up. Currently... - Source: Hacker News / almost 3 years ago

Https://coinlib.io/, the comments in that post list this website , from where the graph was taken, I gues you have to create an account to use that feature. Source: about 3 years ago

I'd add coinlib.io to that list, while you can find the data if you play with the URL, BCH has not been shown on the front page for some time. Source: about 3 years ago

Take a peek at this if you like, https://bitscreener.com/. Source: over 2 years ago

Bitscreener.com crypto-specific screener, and the news engine is pretty on point for all the major journals. It's basically the finviz of crypto. Source: about 3 years ago