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''Interest rate benchmarks''.
Sterling Overnight Index Average.   
Sterling Overnight Index Average.   


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It is published by the Wholesale Markets Brokers' Association (WMBA) 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.


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 WMBA member firms between midnight and 4.15pm London time with all counterparties in a minimum deal size of £25 million.
Among other changes, SONIA was broadened to include overnight unsecured transactions negotiated bilaterally, as well as those arranged via brokers.




== See also ==
== See also ==
* [[Benchmark]]
* [[Euro Overnight Index Average ]]
* [[Euro Overnight Index Average ]]
* [[EURONIA]]
* [[EURONIA]]
* [[European Venues and Intermediaries Association]] (EVIA)
* [[Financial Stability Board]]
* [[HONIA]]
* [[Interest determination date]]
* [[LIBOR]]
* [[Over night index average rate]]
* [[Over night index average rate]]
* [[Overnight indexed swap]]
* [[Overnight indexed swap]]
* [[RFR WG]]
* [[Risk-free rates]]
* [[SARON]]
* [[SOFR]]
* [[Sterling overnight index average]]
* [[Sterling overnight index average]]
* [[Wholesale Markets Brokers' Association]]
* [[TONAR]]
* [[Transition risk]]
* [[Working Group on Sterling Risk-Free Reference Rates]]
 
 
==Other links==
 
*[https://www.bankofengland.co.uk/markets/transition-to-sterling-risk-free-rates-from-libor/working-group-on-sterling-risk-free-reference-rates Working Group of Sterling Risk-Free Reference Rates - latest announcements & publications]
 
*[https://www.treasurers.org/hub/technical/practical-guide-libor A Practical Guide to LIBOR transition - Slaughter & May - Association of Corporate Treasurers]
 
*[[Media:Slaughter and May interest rate benchmarks.pdf| 2021: A Benchmark Odyssey, Practical Guidance for Treasurers on interest rate benchmarks, Slaughter and May]]
 
*[https://www.bankofengland.co.uk/markets/sonia-benchmark SONIA and other benchmarks]


*[https://www.newyorkfed.org/medialibrary/Microsites/arrc/files/2018/ARRC-Second-report ARRC: Second Report]


===Other links===
[https://www.evia.org.uk/ European Venues and Intermediaries Association - EVIA]


[http://www.wmba.org.uk/pages/index.cfm?page_id=31 Wholesale Markets Brokers' Association (WMBA)]
[[Category:Corporate_financial_management]]

Latest revision as of 14:26, 27 April 2022

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 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

European Venues and Intermediaries Association - EVIA