Overnight index swap: Difference between revisions

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(OIS).   
(OIS).   


A fixed rate interest rate swap against a floating rate index such as SONIA, EURONIA or EONIA.
A fixed rate interest rate swap against a floating rate index such as SONIA or EURONIA.


The two parties to the OIS agree to exchange the difference between the interest accrued at an agreed fixed interest rate for a fixed period (for example 3 months) on an agreed notional amount, and the interest accrued on the same amount, by compounding the reference index daily over the term of the swap.  
The two parties to the OIS agree to exchange the difference between the interest accrued at an agreed fixed interest rate for a fixed period (for example 3 months) on an agreed notional amount, and the interest accrued on the same amount, by compounding the reference index daily over the term of the swap.  


Settlement is made net at an agreed date after maturity (in the sterling market, settlement is on the maturity date) so the principal never changes hands.
Settlement is made net at an agreed date after maturity (in the sterling market, settlement is on the maturity date) so the principal never changes hands.
Historically, the LIBOR-OIS spread was the difference between LIBOR and the OIS rate for the same period and was used as an indicator of the credit standing or riskiness of the banking sector. 
The reason for this was that the LIBOR rate included a credit element for the risk in lending to a bank, whereas the OIS swap rate has a much reduced credit component since no principal changes hands in a swap.




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== See also ==
== See also ==
* [[EONIA]]
* [[Early warning indicator]] (EWI)
* [[EURONIA]]
* [[EURONIA]]
* [[EWI]]
* [[LIBOR]]
* [[Principal]]
* [[Principal]]
* [[Risk-free rates]]
* [[Risk-free rates]]

Latest revision as of 04:01, 5 October 2024

(OIS).

A fixed rate interest rate swap against a floating rate index such as SONIA or EURONIA.

The two parties to the OIS agree to exchange the difference between the interest accrued at an agreed fixed interest rate for a fixed period (for example 3 months) on an agreed notional amount, and the interest accrued on the same amount, by compounding the reference index daily over the term of the swap.

Settlement is made net at an agreed date after maturity (in the sterling market, settlement is on the maturity date) so the principal never changes hands.


Sometimes written Overnight indexed swap.


See also