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London Metal Exchange

futures exchange in London, England

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 21, 2026
Entity authorityQ952937
Source-derived summary

The London Metal Exchange (LME) is a futures and forwards exchange in London, United Kingdom with the world's largest market in standardised forward contracts, futures contracts and options on base metals. The exchange also offers contracts on ferrous metals and precious metals. The company also allows for cash trading. It offers hedging, worldwide reference pricing, and the option of physical delivery to settle contracts.

Overview

Ring trading

Trading times are 11:40 to 17:00.

The LME is the last exchange in Europe where open-outcry trading takes place. The ring was temporarily closed in March 2020 due to the COVID-19 pandemic. In January 2021, LME proposed closing the ring, Europe's last open-outcry trading floor, and moving permanently to an electronic system. However, the ring reopened in September of the same year after resistance from members.

In addition to the 9 companies that have exclusive rights to trade in the ring, around 100 companies are involved in the LME in total.

Editorial summary

This brief starts where responsible research should: with the source description of “London Metal Exchange” as futures exchange in London, England. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—2020, 2021—that can be checked directly. The linked authority record independently contributes the date 1877. The account is most persuasive where London, Metal and Exchange can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as futures exchange in London, England. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 21, 2026. The linked authority identifier is Q952937. 1 of 3 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020 and 2021.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
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The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “London Metal Exchange”, its source revision and the description used here.
  2. Expand the search: follow London Metal Exchange primary sources, London Metal Exchange archive and London research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “London Metal Exchange”?
  2. Which cited source is closest to the event, object or claim?
  3. What terminology or title could unlock a more precise catalogue search?
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Source & attribution

This entry incorporates text from London Metal Exchange” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.