Questions tagged [volatility-surface]

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Implied Funding/Borrow Costs in Short-Dated ETF Option Prices

I'm struggling with some anomalous behavior in an analysis I'm running and was hoping for some advice/insights. I'm attempting to extract the implied funding/borrow costs from ETF option prices (say ...
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1answer
157 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 ...
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Pricing forward start Cliquet option with implied volatility with Dupire

I have the following implied volatility matrix of a stock index downloaded the 15th February 2019, the value of the stock was 3188.44 at the time: ...
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0answers
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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 ...
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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/...
1
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1answer
65 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 ...
1
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1answer
260 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 ...
0
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1answer
79 views

Compute implied volatility surface of a put option from a call option

Suppose the function double bsCall(double S0, const double &K, double T, double r, double sigma) computes analytically the Black-Scholes price of a call option ...
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Is the implied volatility surface relative or stationary?

Do different strike values of options attain their volatility value dependent on their % distance from the ATM price continuously, or is the volatility surface stationary during a single day?
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33 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 ...