besides looking at trades being done on both the discord and the forums not really. Theres a pretty outdated value list drip god made so i can link you that to help you get into the trading scene but besides that youll have to ask questions or learn values by yourself
heres the link to that value list:
Arcane Odyssey Value list - Game Discussion / Trading Discussion - Arcane Odyssey
id say most things are still pretty accurate but a lot of things are missing and some things have changed