Finance

UK, EU and Switzerland set out one-day settlement testing plan

Published by Global Banking & Finance Review

Posted on March 25, 2026

1 min read

· Last updated: April 1, 2026

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LONDON, March 25 (Reuters) - Britain, the European Union and Switzerland on Wednesday took a step towards introducing one-day settlement of trades (T+1), as industry-led committees issued a joint

UK, EU and Switzerland Announce One-Day Settlement Testing for 2027

Joint Testing Plan and Transition to T+1 Settlement

LONDON, March 25 (Reuters) - Britain, the European Union and Switzerland on Wednesday took a step towards introducing one-day settlement of trades (T+1), as industry-led committees issued a joint testing plan to banks, brokers and asset managers ahead of the planned move next year.

The three jurisdictions have committed to move to T+1 on October 11, 2027

Financial Market Infrastructure and Testing Details

  • Involvement of Market Infrastructure Firms

    Financial market infrastructure firms including Euroclear, Euronext and Clearstream have been encouraged to be available to test one-day settlement over five windows in 2027

  • Testing Periods

    First Testing Window

    The first testing period is February 1-12, 2027

  • Market Participant Consultation

    Major Institutions Involved

    More than 50 market participants were consulted on the testing plan, including JP Morgan, BlackRock, Morgan Stanley, Barclays and UBS.

  • Global Context

    U.S. and Canada Transition

    The U.S. and Canada moved to a one-day settlement cycle in 2024

(Reporting by Phoebe Seers. Editing by Mark Potter)

Key Takeaways

  • UK, EU and Switzerland coordinate on T+1 move with shared testing plan and October 11, 2027 transition date (business.hsbc.com)
  • Industry infrastructure providers (e.g. Euroclear, Euronext, Clearstream) are supporting with resources and services, including testing support and new settlement tools (euroclear.com)
  • North America already transitioned to T+1 in May 2024—providing lessons in automation, risk reduction and smooth implementation for Europe (euroclear.com)

References

Frequently Asked Questions

What is T+1 settlement?
T+1 settlement refers to settling trades one business day after the transaction date, reducing the previous settlement cycle.
When will the UK, EU, and Switzerland move to one-day settlement?
The UK, EU, and Switzerland plan to implement one-day (T+1) settlement on October 11, 2027.
What is the purpose of the joint testing plan?
The industry-led testing plan helps banks, brokers, and asset managers prepare for the transition to T+1 settlement.
Who is involved in the testing and consultation?
Over 50 market participants, including JP Morgan, BlackRock, Morgan Stanley, Barclays, and UBS, have been consulted.
What is the first testing period for one-day settlement?
The initial testing period is scheduled for February 1-12, 2027.

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