What is COMEX? COMEX is short for the New York Mercantile Exchange. COMEX is mainly responsible for futures and options contracts of gold, silver, copper and aluminum. What is COMEX futures? COMEX gold futures refers to COMEX gold futures trading. Its market scale is the largest in the world, and its gold trading can often dominate the global gold price trend, with futures and options as the main trading methods. The actual physical delivery of gold accounts for a small proportion; Large hedge funds and institutional investors are the main participants in COMEX gold trading, and their trading has great trading power on the gold market; The huge trading volume has attracted many speculators to join, and the whole gold futures trading market has high market liquidity. The color standard of gold harvest is the same as that of London. COMEX's gold trading was only open bidding in the early days. Later, although the electronic trading system was introduced, COMEX did not cancel the public bidding, but mixed two modes. In the early days of the market, open bidding was adopted and then broadcast by electronic trading system. Participants can trade together in COMEX for nearly 24 hours. There is a close interaction between London and new york gold exchange markets, and a swap transaction between London spot gold and new york futures gold is derived.