Year-on-Year Inflation-Indexed Swap

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The Year-on-Year Inﬂation-Indexed Swap (YYIIS) ia a standard derivative product over Inflation rate. The underlying asset is a single Consumer price index (CPI).

It is called Swap because each year there is a swap of a ﬁxed amount against a ﬂoating amount. But in reality only a one way payment is made (ﬁxed amount - ﬂoating amount).

Detailed flows

Each year, at time $T_{i}$
- Party B pays Party A the ﬁxed amount $N{\phi _{i}}K$
- Party A pays Party B the ﬂoating amount $N{\psi _{i}}[{\frac {I(T_{i})}{I(T_{i-1})}}-1]$

where:

K is the contract ﬁxed rate
N the contract nominal value
M the number of years corresponding to the deal maturity
i the number of years (0 < i <= M)
$\phi _{i}$ is the ﬁxed-leg year fractions for the interval [Ti−1, Ti]
$\psi_i$ is the ﬂoating-leg year fractions for the interval [Ti−1, Ti]
$T_{0}$ is the start date
$T_{i}$ is the time of the flow i
$T_{M}$ is the maturity date (end of the swap)
$I(T_{0})$ is the inflation at start date (time $T_{0}$ )
$I(T_{i})$ is the inflation at time of the flow i (time $T_{i}$ )
$I(T_{M})$ is the inflation at maturity date (time $T_{M}$ )

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This article is issued from Wikipedia - version of the 6/12/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.

Year-on-Year Inflation-Indexed Swap

Detailed flows

See also