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Quantitative Finance

Questions tagged [volatility-surface]

The tag has no usage guidance.

14 questions
info newest frequent votes active unanswered
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0answers
21 views

Getting option volatility off vol surface

I am currently looking into FX options. I am given a delta-tenor vol surface and I want to get the volatility of an option given its strike and time to expiry. I am reading about the method used and ...
2
votes
2answers
45 views

Difference between volatility measures of a basket of assets

I am trying to understand intuitively the difference between two different measures of realized variance of a basket of assets. The first measure I am aware of is when you take the realized variance ...
2
votes
1answer
73 views

SSVI parametrization motivation , SSVI implementation

I've read the following paper of Gatheral and Jacquier https://arxiv.org/pdf/1204.0646.pdf about volatility surfaces. I'm thinking about the SSVI surface. Is there any motivation why they choose ...
0
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0answers
24 views

Data request: Option prices for a liquid index/stock

Currently doing a course project on option pricing as a part of my undergraduate studies. However I cannot find a free dataset $D=[d_1,d_2,...,d_N]$, which would represent a time-serie of daily option ...
0
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1answer
35 views

Filter options used in the construction of implied volatility surface

Currently trying to model the IV Surface using the APPL options, to compare how different models of the underlying move the IV Surface. However, after getting the data, I've seen that some option ...
4
votes
1answer
104 views

Intuition for the Effect of Vol of Vol in Heston Model on Volatility Surface

I was hoping someone could describe the economic/mathematical intuition behind the effect that the vol of vol parameter has on the volatility surface, in particular the slope to maturity. Take for ...
1
vote
0answers
55 views

How to derive the change in portfolio value as given by Gatheral in The Volatility Surface?

I’m trying to follow Gatheral’s Volatility Surface Ch. 1, i.e. the text (pg. 5 and 6) linked to in this question, with further text discussed in this question. I can’t figure out how to arrive at the ...
0
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0answers
220 views

ATMF Volatility Surface. Read off vol for Options on spot and vol for Options on futures contract

I have a ATM-Forward volatility surface for commodity. It looks like this: Tenors: Tenors refers to the time-to-maturity of a option on futures contract Strikes: ATM-Forward refers to the futures ...
1
vote
1answer
172 views

SVI Zeliade Vol Surface Calibration

Have a question about SVI Zeliade Implementation (pdf, overview). The paper suggested to do 2 rounds of optimization, first for $\{a,b,\rho\}$ and 2nd for $\{m,\sigma\}$. Does anyone know if I can ...
5
votes
1answer
414 views

What interpretation can I derive from an inverted volatility surface?

While pulling some reports from Bloomberg today I came across the volatility surface for NYSE: ONDK, set for an earnings call next Monday. From what I've seen before (not much, 1 month on the job and ...
5
votes
1answer
419 views

Proof of arbitrage-free implied volatility surface in relation to local volatility surfaces

I'm looking for proof of the following statement: "The existence of an arbitrage-free implied volatility surface is equivalent to the existence of a well-defined local volatility surface."
4
votes
1answer
1k views

Implied Volatility Surface - log forward moneyness

I'm reading this paper by Fengler (2005) and have came across the below snippet. context: Implied volatiltiy surface plot has 3 dimensions IV, Strike, Time to Maturity. Author replaced Strike with ...
3
votes
1answer
601 views

Spot and Vol Correlation in Idealised Regimes of the Volatility Surface

From http://www.globalvolatilitysummit.com/wp-content/uploads/2015/10/Santander-Volatility-Trading-Primer-Part-II.pdf it states that there are the four idealised regimes of volatility surface. 1) ...
1
vote
0answers
99 views

IV surface quoted Skew/Curtosis/Putwing/CallWing

I came across a volatility surface quoted in unknown format to me. I have ATM Vol Skew Kurtosis PutWing and CallWing each for particular tenor. Any idea of what these represent/...