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    LMEsmart is the system for the matching and registering of trades.

    LMEsmart operates between 01:00 and 20:00 London time for trade entry and can be accessed via the browser based GUI or the FIX API for members own applications.

    Documents

    LMEsmart Member Self Certification (PDF)

    LMEsmart RIB GUI guide (PDF) 

    Matching Rules (PDF)

    Editorial correction dated 16 July 2026: paragraph 46 of the Matching Rules published in Notice 26/121 was not correct. A corrected version of the Matching Rules has now been uploaded in Notice 26/121. We apologise for this error.

    LMEsmart Member GUI Guide (PDF)

    LMEsmart FIX API Member Guide (PDF)

    LME Guidance on Venue Code Use (PDF)

    LME Guidance on Use of Basis Ring (PDF)

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