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The London Metal Exchange - LME is the world centre for
  • Copper
  • Aluminium
  • Nickel
  • Lead
  • Tin
  • Zinc
  • Aluminium alloy
  • NASAAC - North American Special Aluminium Alloy
The LME is the trading venue also for
  • Cobalt
  • Molybdenum
The LME provides the market with three platforms for trading industrial metal contracts, The Ring, LMESelect and Inter-office.


The Ring is the oldest system for trading on the LME and still retains many features of open-outcry trading. Only Ring-dealing members can trade in the ring. There are currently twelve Ring-dealing members at the LME. Trading on the Ring begins 11.40 and closes at 17.00. Each LME metal is traded in highly liquid five-minute Ring sessions which are themselves representative of global supply and demand. The LME Official Price is the last bid and offer price quoted during the second Ring session. The LME Unofficial Price is the last bid and offer quoted during the fourth Ring.


LMEselect is a state-of-the-art electronic platform for the trading of all LME contracts. The circuit is open from 01:00 am to 07:00 pm (London time).


The LME supports an inter-office telephone market between LME members. Inter-office operates around the clock.