A UOStock is an Ultima Online broker and service provider for the needs of players. This person is a slave to following around video game players and making sure they are happy. UO Stock or UOStock is responsible for the pitfalls of many games like Ultime Online in the sense that the economy was jacked over. Uo armor, mounts, pets, and scrolls are what pays the rent around here and breaking the rules is all worth it.