Nice to see the tweet about the video, thanks for sharing! The calculator is a good tool as well, there are so many moving variables it really helps get a grasp of what the coins are worth.

I'm not on the discord, do they have some good discussion going on there? For a way of checking the current volume I use coin market cap, they have listings for most of the Exchanges;
https://coinmarketcap.com/exchanges/cryptobridge/