XAUUSD is one of the most watched symbols in trading rooms as well as consumer trading applications. Behind these six letters is simply the price of an ounce of gold expressed in dollars. But between the XAUUSD from forex brokers, the XAUUSDT from crypto platforms, and classic futures contracts, the same metal is traded in very different forms, with rules, costs, and risks that do not resemble each other. This guide puts things in order.