Final Publication of SONIA by WMBA Limited

Changes to the SONIA benchmark on 23 April 2018

The date and time of the publication of the SONIA benchmark is changing on Monday 23 April 2018. This was confirmed by the Bank of England in a News Release of 16 October 2017.

Friday 20 April 2018 will be the final day for which SONIA will be calculated and published by the WMBA using the current methodology. For the rate relating to Monday 23 April, SONIA will be calculated by the Bank using the reformed methodology and published at 9am on Tuesday 24 April; no data will be published on Monday 23 April.

More information about the SONIA reforms is available in the SONIA Key features and policies document on the Bank’s website. (SONIA Reform).

Published: 15/03/2018
Updated: 17:03 on 03/09/2018