Questions tagged [swaption]

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Swaption trade data elements

Can someone please list all the Swaption trade data elements. I am doing research and trying to ensure I document all key data elements of a Swaption trade.
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Calibrating HW 1f model params to a term structure market data

I am using Quantlib to calibrate the HW model params to the market swaption price. The attached chart shows the performance of the calibration. Am I correct in saying, this is expected for the 1f HW ...
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Reconciling different specifications of drifts in the LMM

I've been going through the book "Fixed Income Securities" by Bruce Tuckman which gives the following definitions of the drift terms (after showing it for a specific example with 3 forward ...
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Can I Delta hedge Swaption with 1month option expiry on 10 year swap as 1 month forward starting swap (expiry 10 yr) & notional as Delta% of swaption [closed]

Whether below is correct 1 month expiry of swaption with 10 year swap underlying can be delta hedged as with below swap: Notional of swap = delta% of swaption multiplied by notional of swaption As of ...
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Evaluating swaptions with negative interest rates

Does anyone know if it is possible to evaluate swaptions with negative interest rates with Quantlib? ...
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Unable to link volatility structure to swaption pricing engine

Good morning, I am trying to link the volatility surface to my swaption pricing engine. ...
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101 views

Bermudan Swaption Pricing via Least-Square Monte Carlo

I have some confusion regarding pricing a Bermudan Swaption using LSMC. Let's say the underlying swap has payment dates $T_0 < T_1 < \ldots < T_n$ and for simplicity, assuming the exercise ...
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2 answers
551 views

Swaption ATM Vol Quotes and Interpretation: Normal Vol to Black

How do you interpret the time-series of 1m10y black vol vs normal vol? Normal vol would have you believe, that rate vol has since 2000 been low whereas black vol would show you a different picture. ...
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Potential risks Trade Idea

I came up with a trade idea that wins when Interest rates increase. I am playing that by buying a Payer Swap and selling a deep ITM Receiver swaption at ATM+60 (same notional). I chose that strategy ...
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Carry on a USD 6m10y payer swaption

Trying to calcuate the carry on a 6m10y payer swaption. So far, I have used: carry = spot rate - libor Do I use the 6m LIBOR rate (0.15213%)? And do I just use the 10y yield for the spot rate (1.26)? ...
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2 votes
1 answer
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Delta hedge swaption straddle

Let's say you decide to buy a 2Y10Y ATM swaption straddle (i.e. buy 10 million ATM payer swaption and buy 10 million ATM receiver swaption). In order to delta hedge, I believe you would short the ...
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Sabr vs Heston for IR swaptions

Why is SABR considered the model of choice for swaptions? Is the Heston model not suitable? Does Heston produce unrealistic dynamics with respect to the swaption market?
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Swaption Terminology

What does 5y10y200 WC mean? Further, what does 2y10y WS mean? I know the first digit (5 or 2) means that the swaption starts in 5 or 2 years time, and the second digit shows how long the exchange ...
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Swap Fly PnL Payoff Question

Stuck on this payoff question. What is the PnL on 5s10s30s on a swap fly 10k 01, where the fly moves 8 to 26bp? Any ideas would be much appreciated.
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1 answer
128 views

Free Arbitrage conditions in ATM swaption surfaces

I'm wondering how can we check free arbitrage conditions in ATM swaptions surfaces since we only have access to Expiry, Tenor and volatility? Can someone help me please, i didn't find any article ...
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1 answer
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What is the definition of "co-terminal swaptions"? why they are important in the calibration process?

could anyone help me understand the definition of "co-terminal" swaptions? What are they? Can you provide an example to illustrate? And why such instruments are important in model ...
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7 votes
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Bermudan Swaptions - Payer vs. Receiver (LGM)

There is abundant literature discussing the pricing of Bermudan swaptions and the relevance of single-factor Markov-functional models (e.g. LGM) versus multi-factor market models (e.g. LMM). From a ...
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Calibrate Hull-white one factor model with swaption in analytical formula

I've been trying to calibrate Hull-white one factor model with swaption but I have a trouble making closed form solution of swaption Below is the part of paper I've been referencing to https://people....
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Rebonatos's formula in C++

I'm trying to code in C++ Rebonato's formula for swaption volatilities $$ v_{\alpha,\beta}^2=\frac{1}{T_\alpha} \sum_{i,j=\alpha+1}^{\beta} \frac{w_i(0)w_j(0)F_i(0)F_j(0)}{S_{\alpha\beta}^2(0)}\rho_{i,...
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2 votes
0 answers
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Swaption extrapolation

I have some ATM swaption volatilities with the following characteristics: (-IBOR) payment frequency: 1M Underlying swap maturities (tail): 1Y, 2Y, 5Y, 10Y, 15Y and 20Y Swaption expiries: 1M, 3M, 6M, ...
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Greeks of caps,floors and swaptions

I will have an interview for a junior position as interest rates volatility trader. I would like ask you some questions about greeks of caps floors and swaptions. Are Caps vega positive? Are floors ...
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6 votes
3 answers
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Trading desk assumes zero percent discount rate?

All the swaption and option models I have encountered at my employer's trading desks have assumed a zero percent discount rate. I have proposed using the LIBOR curve, but management responded that &...
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1 answer
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Swaption on Forward-Starting Swap "Replication"?

Lately I was thinking about forward-starting swaptions vs. options on forward-starting swaps a bit, and I started wondering about the following: Suppose we are at time $T_0$ (today) and we want to ...
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1 vote
1 answer
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Swaption decomposition - forward options and option on options

I am following through the book "An Introduction to Financial Derivatives" by Salih Neftci. According to the book, a swap can be decomposed into cash flows from forwards and options. I am ...
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8 votes
1 answer
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Volatility adjustment for SOFR/OIS caplet referencing LIBOR vol

Suppose that today the price of a 3m LIBOR caplet with 6m expiry has been calibrated with a particular implied volatility. How would one go about thinking about an adjustment to that volatility to ...
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1 vote
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What are "greeks" in general for non-standard options (swaptions, capfloors, etc)

I know what greeks are for standard options: just take the derivative with respect to some parameter, like spot, time, rate, etc. But how does one calculate greeks for swaptions and capfloors? I was ...
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Hull white model calibration - constant mean reverse factor and sigma

I setup a HW 1F model using Monte Carlo simulation with constant mean reversion and volatility factors. When I calibrate to a series of swaptions ( 1x4yr;2x3yr;3x2yr;4x1yr),the last three swaption ...
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1 answer
131 views

Replication of European swaption

Suppose we have a European payer swaption with 5-year maturity and 10-year tenor. The underlying is clearly the 10-year tenor payer swap. Does it mean that to replicate the swaption I need to ...
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1 answer
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Instrument valuation using Monte Carlo simulation with Quantlib

I am looking for some example to value an American swaption using monte carlo simulation of ...
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2 votes
1 answer
388 views

Pricing Swaption Analytically using Libor Market Model

I was asked the following question in a recent interview: "(i) Express a forward swap rate in terms of forward Libor rates. (ii) Apply Ito's lemma to this expression to derive the process for the ...
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1 vote
1 answer
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QuantLib Swaption Vol Cube

I am currently trying to price swaptions under QuantLib/Python using a volatility cube using ql.SwaptoinVolCube2. From the documentation: ...
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3 votes
3 answers
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Which measure is used to price a swap?

When we value the floating leg of a standard vanilla swap, we replace the expectation of the future floating rates by the forward rates known today. However my understanding is that the forward rate ...
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4 votes
2 answers
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RFR discounting - swaption compensation

Later this month the discount rate for EUR interest rate instruments changes from Eonia to EuroSTR. In October SOFR replaces EFFR. These changes will affect the value of uncleared swaptions and ...
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1 answer
417 views

Historical PNL using Taylor Expansion for Gamma Ladders

I have DV01 and Gamma Ladder for IR Swaptions and the historical market data of the underlying swap curve. Can someone please help me understand how to calculate historical PNL using taylor expansion ...
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51 views

Black model with negative strike price

Whats the issue if we try to price a swaption with a negative strike using Black model?
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1 vote
1 answer
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Inequality involving Co-Terminal/Co-Initial American vs Bermudan Swaptions

Let us consider a payment schedule $\mathcal{P}:=\{t_1,\dots,t_n\}$ which has a corresponding fixing schedule $\mathcal{F}:=\{t_0,\dots,t_{n-1}\}$. We have a series of co-terminal and co-initial swaps ...
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2 votes
1 answer
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What is the industry standard model for pricing Swaptions during this time of negative interest rates, normal model or shifted log-normal model?

I have referred to the some of the well known papers but none of them has a clear answer for my question. I know that both of these models have some disadvantages but, what is the industry standard ...
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1 answer
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Swaptions vols,object using quantlib xl

How can I build a good vol surface using QuantlibXl? My goal is to price a swaption 5 year with option maturity 1Y1M. The data are:
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1 vote
2 answers
285 views

Normal vs. Lognormal Greeks for Negative Rates Options

My understanding is that for some of the G10 currencies with negative rates (CHF, EUR), Swaption and Cap / Floor prices are quoted in terms of BOTH, normal and log-normal Vols. That in itself is not ...
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2 votes
1 answer
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How to compute forward swap rates?

I am trying to compute shocks on the forward swap rates based on shocks to the swap rate curve (aiming at repricing consistently a set of swaps and swaptions based on a shock to the swap curve): It ...
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1 answer
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Call Probability of European callable IRS

When pricing a callable IRS (say only one call date) with a diffusion model (e.g. HW 1F) with a Montecarlo resolution, one can get the call probability on the call date versus maturing the date (which ...
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1 vote
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How to use quantlib Excel for valuation of european swaption with vol surface to calibrate?

I would like to replicate the following Bloomberg pricer in quantlib using Quantlib xl. Is it possible? Thanks
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1 vote
1 answer
847 views

Swaption Vol surface

¿How can I get the implied vol from a swaption when I have a vol surface with the maturity of the option and the tenor of the swap? For example I want to know what is the volatility for a swaption ...
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3 votes
1 answer
224 views

Implied/Realised Vol ratio for negative rates?

I'm trying to calculate the implied vs realised vol ratio for different swaptions across major currencies. This works fine for the likes of USD and GBP as rates are positive. However I'm struggling ...
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Why does changing the evaluationDate multiple times lead to a performance lag?

I am simulating an swaption strategy through time. Following the examples in the Python Quantlib cookbook, as I progress through time I am updating the internal evaluation date ...
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1 answer
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European Swaption Pricing Using Normal volatilities

On page 6 of this paper a forumla is given for payer swaptions, I am just wondering what is the formula for receiver? My implementation of the formula for payer and receiver is here, but I am not ...
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3 votes
1 answer
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QuantLib: Which CalibrationHelper to use for Normal Volatilities

I am using the SwaptionHelper class to create the swaptions. Reading the documentation: https://www.quantlib.org/reference/class_quant_lib_1_1_swaption_helper.html I realize that one of the ...
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Constructing Daily Term Structure

I am very new to QuantLib and am trying to do Swaption Model calibration following the example here:http://gouthamanbalaraman.com/blog/short-interest-rate-model-calibration-quantlib.html Appreciate ...
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6 votes
0 answers
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Swaptions on SONIA/SOFR/ESTR

Given that LIBOR is being decommissioned and we must start building liquidity in swaptions on the OIS swaps, how do we price them? i.e. If I have a swaption on SONIA/SOFR/ESTR etc how does the pricing ...
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1 answer
310 views

What happens to both sides of an inflation swap agreement if there is deflation?

If there is deflation does the Inflation receiver not only pay the fixed leg but also receives a reduced CPI? I.e. does he lose twice?
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