This document provides an introduction to futures trading, including what commodities are traded, where trading occurs, who participates in trading, and examples of hedging. Key commodities traded are agricultural goods, currencies, metals, and financial instruments. Exchanges exist around the world, with major hubs in Chicago and New York. Participants include hedgers seeking to reduce risk and speculators aiming to profit from price predictions. Hedging allows entities like airlines and manufacturers to offset price volatility in their inputs.