The London Metal Exchange (LME) is the world's leading exchange for trading non-ferrous metals such as copper, aluminum, nickel, and zinc. Established in 1877, it is headquartered in London. The LME provides a platform for trading futures and options, allowing market participants to hedge against price fluctuations. The exchange is known for its physical warehouses where metals are stored, ensuring transparency and liquidity in the market. The LME plays a key role in global metal trading and influences prices on the international market.