The London Metal Exchange Index (LMEX) is the world center for industrial metals trading. It is the trading and price-formation venue of choice for industrial metals globally. Participants can trade one of a number of metals using futures, options, TAPOs, Monthly Average Futures and LMEminis, that are discovered on our three trading platforms are used as the global reference price and both the metal and investment communities use the LME to transfer or take on risk, 24 hours a day. It is an index that tracks the prices of the metals, wherein options and futures contracts on LME are standardized with respect to expiration dates and size.