London Metal Exchange

London Metal Exchange
London Metal Exchange
Type Commodities exchange
Location London, United Kingdom
Founded 1877
Owner LME Holdings Limited
Currency United States dollar
Volume 111.9 million lots (2010), $11.6 trillion (2010)[1]

The London Metal Exchange (LME) is the futures exchange with the world's largest market in options, and futures contracts on base and other metals. As the LME offers contracts with daily expiry dates of up to three months from trade date, along with longer-dated contracts up to 123 months, it also allows for cash trading. It offers hedging, worldwide reference pricing, and the option of physical delivery to settle contracts.

It is located at 56 Leadenhall Street in the City of London.



The London Metal Market and Exchange Company was founded in 1877, but the market traces its origins back to 1571 and the opening of the Royal Exchange, London. Before the exchange was created, business was conducted by traders in London coffee houses using a makeshift ring drawn in chalk on the floor.[2]

At first only copper was traded. Lead and zinc were soon added but only gained official trading status in 1920. The exchange was closed during World War II and did not re-open until 1952.[citation needed] Other range of metals traded was extended to include aluminium (1978), nickel (1979), tin (1989), aluminium alloy (1992), steel (2008), and minor metals cobalt and molybdenum (2010). The exchange ceased trading plastics in 2011. The total value of the trade is around $US 11.6 trillion annually.[3]

Many deals are made for commodities to be delivered in three month's time, the custom stemming from the times that metal cargos originally took in 1877 on their voyage from the ports of Chile.[2]

Commodities traded

The LME offers futures and options contracts for aluminium, aluminium alloy, NASAAC (North American Special Aluminium Alloy), cobalt, copper, lead, molybdenum, steel billet, tin and zinc.


Main entrance to the LME, at 56 Leadenhall Street in the City of London.

To trade contracts in copper, tin, or any other metal listed on the LME, one has to trade through an LME member. Purchasers of contracts, which are then left to reach maturity, will receive a warrant for a specific LME approved warehouse to take delivery of the metal if required.

The LME issues, each day, detailed figures on how many tons of each metal is in its warehouses, which helps producers and consumers make correct business decisions.

Ring trading

Trading Times: 11:40 — 17:00, London Time

Open-outcry is the oldest and most popular way of trading on the exchange. It is central to the process of price discovery, a term used to describe the way LME official prices are established. Prices are derived from the most liquid periods of trading; the short open-outcry ring trading sessions, and are most representative of industry supply and demand. The official settlement price, on which contracts are settled, is determined by the last offer price before the bell is sounded to mark the end of the official ring.

There is constant inter-office trading, but a lot of trading is still done by open-outcry in the Ring. There are a morning and an afternoon trade, where each of the nine metal contracts are traded in two blocks with a five-minute session for each contract (the sessions last from 11.40 until 13.10 and from 14.55 until 16.15, each session includes a 10-minute break). The second trading block in the morning is key to setting the Daily Official Exchange rates. After the official trades of sessions one and two, there are 85 and 45 minutes of "kerb" trading respectively. Trades are in futures, options and TAPOs (traded average-price options, a form of Asian options).

The LME is the last exchange in Europe where open-outcry trading takes place.[2]

Ring Dealing Members

Ring Dealing Members are entitled to trade in the Ring during the ring-trading sessions.[4] They may also operate a 24-hour market by trading inter-office. All Ring Dealing Members, as members of the London Clearing House, are authorised under the Financial Services and Markets Act 2000, and are regulated by the Financial Services Authority. Each metal is traded in its own five-minute period. There are two sessions every trading day for each metal.

Ring Dealing Members are Clearing Members, who hold the exclusive right to trade in the ring;

In addition to the 12 companies who have exclusive rights to trade in the Ring, around 100 companies are involved in the LME in total.

Precious metals

Contrary to popular belief, the precious metals, gold and silver, are not traded on the London Metal Exchange, but on the over-the-counter market usually referred to as the London Bullion Market, by the members of the London Bullion Market Association. Platinum and palladium are traded on the London Platinum and Palladium Market. Both members of the LBMA and LPPM trade the precious metals spot market on EBS (Electronic Broking Systems)—acquired by ICAP in June 2006. Many companies involved in minor metals are members of the Minor Metal Trade Association.

The LME does, however, provide trade matching and clearing services to the London bullion market and distributes gold, silver, and gold IRS (interest rate swaps) forward rates on behalf of the LBMA.

Electronic trading

The LME launched an electronic platform called LME Select launched in February 2001.[5] This was developed by a Swedish software house called Cinnober. The platform is a FIX-based trading platform, and has a significant and increasing share of the total LME business.

Delivery points

As a market of “last resort”, industry can use the LME’s delivery option to sell excess stock in times of oversupply and as a source of material in times of extreme shortage. In reality, physical delivery occurs in a very small percentage of cases on the LME as most organizations use the LME for hedging purposes. However, the small percentage, which does result in delivery, plays a vital role in creating price convergence.


To support this mechanism, the LME approves and licenses a network of warehouses and storage facilities around the world. Warehouse companies must meet strict criteria before they are approved for the handling of metals. Warehouse Keepers around the world include the following:

  • Henry Bath [1]
  • Steinweg [2]
  • Metro International Trade Services [3]
  • Pacorini Metals [4]

See also


  1. ^ About the LME
  2. ^ a b c BBC Radio 4 Today, broadcast 25 October 2011.
  3. ^ "LME achieves another year of record volume". London Metal Exchange. 5 January 2009. Retrieved 29 July 2009. 
  4. ^ "Category 1 – Ring Dealing". London Metal Exchange. Retrieved 29 July 2009. 

External links

Coordinates: 51°30′47.5″N 0°4′45″W / 51.513194°N 0.07917°W / 51.513194; -0.07917

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