Questions tagged [cms]

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17
votes
1answer
12k views

What is the reason for the convexity adjustment when pricing a constant maturity swap (CMS)?

I'm trying to wrap my head around pricing a Constant Maturity Swap (CMS). Let's imagine the following deal: 6m LIBOR in one direction, 10y swap rate in the other. The discount curve is derived from ...
11
votes
2answers
3k views

Why is the SABR volatility model not good at pricing a constant maturity swap (CMS)?

I have heard that the SABR volatility model was not good at pricing a constant maturity swap (CMS). How is that?
8
votes
1answer
3k views

What is the replicating portfolio of swaptions for a constant maturity swap (CMS)?

How do you replicate the payoff of a constant maturity swap rate? That is, if the payoff of a contract pays the 5-year swap rate every year for 10 years, how would you replicate this payoff using ...
7
votes
1answer
398 views

CMS Pricing - Convexity Adjustment by Replication [closed]

I'm trying to learn CMS pricing, but didn't get the logic of this method. Previously cited articles about this method is pretty complex. I'd be glad if you can provide me with simpler articles or ...
3
votes
3answers
12k views

What is a Constant Maturity Swap (CMS) rate?

I have been searching in books and on the internet for a basic definition and explanation of CMS rates, but I cannot find anything clear and simple. Can you explain (maybe with an example) what a CMS ...
3
votes
1answer
73 views

Constant Maturity Swap dates and conventions

Let's note $L(t,T_i,T_{i+1})$ the libor rate observed at $t$, fixing at $T_i$ with delivery at $T_{i+1}$. The natural delivery date for this rate is $T_{i+1}$, so a vanilla swap with no pay lag would ...
3
votes
1answer
323 views

Girsanov theorem in CMS convexity derivation

I am going through the derivation of CMS convexity from the notes of Lesniewski There is a transformation from $T_p$ forward measure to annuity measure $Q$ as $$ P(0,T_p)E^{Q_{T_p}}\left[S(T_0,T)\...
2
votes
1answer
736 views

CMS options, cash-settled/physically-settled swaptions

CMS options are traditionaly replicated using a theoritical "continuous" strip of swaptions (see for instance Hagan's paper "Convexity Conundrums : Pricing CMS Swaps, Caps and Floors"): In the paper,...
2
votes
2answers
1k views

duration of a cms swap

in the linked paper kwok_part2_exotic_swaps it says the following: A Swedish company has recently embraced the concept of duration and is keen to manage the duration of its debt portfolio. In the ...
2
votes
1answer
554 views

CMS spread vanilla options quotation

How are vanilla (call/put) options on CMS spread quoted on the markets ? Through an implied (normal/lognormal) volatility with a normal/lognormal model on the spread in the forward measure ?
2
votes
0answers
97 views

Are forward rates starting at observation date spot rates?

In part 3.2 of Lu and Neftci (2003) "Convexity Adjustments and Forward Libor Model: Case of Constant Maturity Swaps", the authors propose a new way of pricing CMS swaps, with Monte Carlo simulations. ...
0
votes
3answers
671 views

Where can I find CMS swap trading prices?

I am writing a paper about CMS swap. To do so, I'd like to compare different theoretical pricing methods of these instruments to the "real prices" i.e. prices used in the marketplace. But I don't ...
0
votes
1answer
183 views

Question on volatility equation for CMS pricing

In "Full implications of CMS convexity (Cedervall and Piterbarg, 2012)", a.k.a. "CMS: covering all bases (idem)", the authors develop a CMS model equipped with an annuity mapping function which ...
0
votes
1answer
445 views

Basis swap spread pricing and bootstrapping

Here is the expression of a basis floating versus floating swap where the first term is a forward CMS Swap leg and the second one is a forward BOR leg where X is the margin that would make equal both ...
0
votes
0answers
50 views

Vega for Constant Maturity Swaps

Why does a Constant Maturity Swap have a positive vega? Is it because of the convexity? How does one hedge it?
0
votes
0answers
99 views

pricing a CMS Swaption

i am looking for some references on ways to price CMS Swaption this is an option to enter into a swap of CMS vs fixed. couldnt find anything trawling the net! need this to value bonds that have such ...
-1
votes
1answer
304 views

CMS convexity adjustment in a range accrual Monte Carlo

I'm trying to price a CMS indexed range accrual using Monte Carlo simulations. Let's say i have n trajectories of ZC rates using G2++ model under risk neutral measure. My question is how do i take ...