SONIA: Difference between revisions

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* [[European Venues and Intermediaries Association]]
* [[European Venues and Intermediaries Association]]
* [[Financial Stability Board]]
* [[Financial Stability Board]]
* [[Interest determination date]]
* [[LIBOR]]
* [[LIBOR]]
* [[Over night index average rate]]
* [[Over night index average rate]]

Revision as of 15:32, 19 April 2019

Interest rate benchmarks.

Sterling Overnight Index Average.


Tracks actual average market sterling funding rates each day:

  • for settlement that day
  • where repayment is made on the following business day.


It is published by WMBA Ltd (part of the European Venues and Intermediaries Association - EVIA) in London at 5pm each day.


It is defined and calculated as the weighted average rate (to four decimal places) of all unsecured sterling overnight cash transactions brokered in London by EVIA member firms between midnight and 4.15pm London time with all counterparties in a minimum deal size of £25 million.


The Bank of England assumed responsibility as the administrator of a revised SONIA with effect from April 2018.

Among other changes, SONIA was broadened to include overnight unsecured transactions negotiated bilaterally, as well as those arranged via brokers.


See also


Other links

2021: A Benchmark Odyssey, Practical Guidance for Treasurers on interest rate benchmarks, Slaughter and May

LIBOR: Goodbye to all that, The Treasurer

Bank of England: SONIA and other benchmarks

European Venues and Intermediaries Association - EVIA