Questions tagged [vix]

The Chicago Board Options Exchange Market Volatility Index, a popular measure of the implied volatility of S&P 500 index options.

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Derivation of VIX Formula

I've read a lot of derivations about VIX formula. I can say it is -adjusted- fair strike of variance swap. But I can't see how it goes from variance swap rate to VIX formula. In particular I can't see ...
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1 vote
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VXX Put pricing

Last week at Friday's close, the Dec 14 37.5 Put options were selling for \$.68 with VXX at \$40.29. This week at Friday's close, the Dec 21 37.5 Put options were selling for \$.38 with VXX at \$40.50....
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How to hedge a short VIX position with SPY

Assuming it's Nov 15th, and the SPY is trading at 217.2. Suppose I sell 11 contracts with Dec. 21 maturity. How many shares of SPY do I buy to hedge my VIX futures position?
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For equity options, does the implied vol change if the price of the underlying does?

For example, consider S&P options. My reasoning is rooted in the fact that VIX returns and S&P returns have a negative relationship, since VIX is a measure of S&P options' implied vol. ...
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3 votes
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Expected VIX at different levels of SPX

I'm looking for a model that computes the expected VIX based on SPX price moves. For instance, SPX is currently at around 2650, and VIX is at 24. If SPX jumps to 2600, at what level would the VIX be? ...
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1 vote
2 answers
266 views

Volatility Index for Industries

The VIX index is based on the S&P, I am wondering the feasibility of creating a VIX index for each of the S&P 500 Industries? Would this even be possible?
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Estimation of the variance risk premium via VIX

Suppose I have the formula for computing $\mathbb E^P\big[\int_0^T v\,dt\big]$ for the variance process $v$ in the real world measure $P$. Can I set it to the VIX$^2$ price and solve for the variance ...
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Modelling VIX futures backwardation

I have VIX futures trading algorithm and would like to perform Monte-Carlo simulation of VIX and understand how my algorithm performs on each simulation. In this case, not only VIX should be modeled, ...
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257 views

VIX/SPX Realized Beta Calculation

In https://globalmarkets.bnpparibas.com/r/Volatility_Express_20171128.pdf?t=BG3REXwMP3NZJRN7wY5Vt&stream=true, it states that 3M VIX/SPX realized Beta calculation: Use a blend of 1st, 2nd and 3 ...
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SPX/VIX Implied Beta Calculation

In https://globalmarkets.bnpparibas.com/r/Volatility_Express_20171128.pdf?t=BG3REXwMP3NZJRN7wY5Vt&stream=true, it states that 3M VIX/SPX implied Beta = (VIX 3M IVOL*VIX 3M futures)/SPX 3M IVOL ...
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Research topic on volatility

Currently studying about volatility, VIX and implied volatility as well as option pricing via stochastic volatility models. My question is how these are used in real life except of speculation. Do ...
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Settlement of VIX derivatives

Currently reading the paper of John M. Griffin and Amin Shams "Manipulation in the VIX?". My questions has to do with settlement of VIX derivatives (options and futures on VIX). The paper states that ...
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Why hasn't SVXY recouped more of its lost value as vol has crashed in the past 2 weeks?

SVXY fell from around \$140 to \$9. It has since bounced back 25% to around \$12. Vix futures went from the 11-14 range to 35 and now back to 17-18. SVXY holds a short position in Vix futures with ...
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2 votes
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Manipulation of VIX

Having finished my reading on CBOE's method of calculating the VIX on out of the money call and put options written on S&P 500,I have a thought about the ability of market making firms to ...
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Nature of short VIX strategies

By now, we all pretty much know that the recent upsurge in the VIX Index caused the spectacular failure of some Exchange-Traded Products (ETPs) or Exchange-Traded Notes (ETNs) written on it. An ...
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Is the VIX a Martingale?

Say the S&P500 follows a Gaussian diffusion process, so that: $$ VIX^2_{T,t}=\frac{1}{T}\mathrm{E}_t^\mathbb{Q}\left[\int_t^{t+T}\sigma_s^2ds\right] $$ where $T$ is the tenor (assume fixed), $t$ ...
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Can any tell me how the VIX spike in Feb 2018, might have been caused my manipulation of $SPX options or VX Futures? [closed]

Looking for ways to back track evidence of manipulation in the trading or SPX options, ES Futures, or VX Futures to cause the spike that destroyed the vol ETFs (XIV, and SVXY), and caused small ...
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7 votes
3 answers
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How did the SVXY ETF (-1x VIX) survive a 115% jump in VIX?

The SVXY ETF is a "-1x" short exposure to the VIX, rebalanced daily. Very importantly, it is an ETF, and not an ETN. As an ETF, its holdings are fully transparent and posted on the fund sponsor's ...
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4 votes
1 answer
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Pricing VIX Futures

In a 2006 paper Zhang and Zhu propose a model for VIX and VIX Futures based on Heston. I am struggling in understanding how they get equation 6 and 8 (where they define the parameters). Can anyone ...
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How to find a probability of VIX moving from one price to another

I asked a similar question on here with a bounty. I decided to modify the question to simplify what I am trying to do. Is there a package on MATLAB or some other tool where I can find the probability ...
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XIV Positive Roll Yield

I understand that VIX futures are usually in contango and so a portfolio that holds futures with a weighted average expiration of 30 days will "roll" down to equal the VIX index at maturity. This is ...
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3 votes
0 answers
435 views

Is there really a negative roll yield for futures in contango?

I am trying to wrap my head around how ETFs that track futures work (whether its USO tracking WTI futures or VXX tracking VIX futures). I have read online about how for normal contango environments, ...
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5 votes
1 answer
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Replicating Log Contract - Errors Introduced by Jumps

In the GS Research Note about Volatility Swaps, it is shown that you can replicate a pure variance exposure (hedge) with only vanilla calls and puts, primarily thanks to the Carr-Madan formula of ...
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Intuition Behind Scaling Factor in Variance Swaps

In More Than You Ever Wanted to Know About Volatility Swaps the fair value of a future variance swap can be replicated from market prices for calls and puts. The fair put and call strike is shown to ...
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Does the correlation between stocks in an index affect the implied volatility of the index? [closed]

Does the correlation between stocks in a sector or between sectors in the S&P 500 have an impact, all else equal, on the S&P's implied volatility / the VIX? My guess is that the correlation ...
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1 answer
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How is VIX different from SPY/SPX IV?

Maybe I should have read the CBOE whitepaper but I never did... Now I cannot find it. I was looking at SPY/SPX just a moment ago and noticed that spot VIX doesn't match with SPY or SPX IV. Why not? ...
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2 votes
1 answer
190 views

Risk, required return and expected volatility - what is the relationship?

Return required from risk averse agents from risky investments are proportional to expected return variance. That is from the textbook, you take the portfolio with the highest return to standard ...
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"At-the-money Implied as a Robust Approximation of the Volatility Swap Rate." [closed]

Does anyone know where to get this paper? Carr, Peter and R. Lee, January 2004, "At-the-money Implied as a Robust Approximation of the Volatility Swap Rate." On google scholar the paper appears to ...
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1 vote
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using VIX to approximate BS IV for short term S&P ATM calls

what kind of adjustments are needed to VIX series so that it could be used to approximate BS IV in calculating near-term (EDIT: weeklys) SPY at-the-money call premiums/deltas? thanks a lot.
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14 votes
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Is the VIX more similar to a volatility swap or a variance swap?

I am reading the following paragraph on the VIX wikipedia article and I find it confusing: The VIX is calculated as the square root of the par variance swap rate for a 30-day term[clarify] ...
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2 votes
2 answers
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Pricing variance swaps using Monte Carlo

For pricing variance swaps there is the well-known formula as sum of OTM options weighted by the inverse of the squared strike (see e.g. here). Would it also be valid to derive the local-volatility ...
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2 votes
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GARCH models vs VIX

I am examining how investor sentiment affects the probability of stock market crises. I am using methodology similar to this paper https://ideas.repec.org/p/dij/wpfarg/1110304.html. VIX (equivalents) ...
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4 votes
1 answer
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How to compute 30/60/90-day Implied Volatility?

I want to calculate the 30/60/90/180 day 100% moneyness implied volatility for a stock. I think I know how to do it but would like to share my thought processes with the group to verify I'm on the ...
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2 votes
2 answers
419 views

why Implied Vol (VIX) increase with decrease in Stock Price or vice versa?

why Implied Vol (VIX) increase with decrease in Stock Price or vice versa? whereas Vega is positively related with change in option price to change in stock price.
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4 votes
1 answer
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VIX ETP Net Vega exposure

Does anyone know the calculation that these EQD desks are using to calculate the net Vega exposure of the VIX ETPs? I am assuming it involves shares outstanding in each ETP, the value of a 30 day ...
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2 votes
1 answer
166 views

If VIX measures SPX IV 30-days in future, how to modify formula to calc IV 60-days in future?

So I've gone over the CBOE VIX white paper a few times and understand it well enough to have written (Ruby) code to produce the correct VIX. I have the older version of the paper where it only used ...
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8 votes
3 answers
688 views

Construction of VIX and VVIX

I just read the CBOE's Whitepapers for VIX and VVIX and notice that they are constructed in the same way, i.e. a range of calls and puts on the respective underlyings (S&P500 in case of VIX, and ...
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2 answers
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How was the old VIX calculated?

Today VIX is computed based on near- and next- term options series which fall into the time period of [23, 37] days. That is what it is now, when they use SPX weekly, so they have options expiring ...
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6 votes
2 answers
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How do market makers hedge VIX index options?

With equity options, many market makers hedge by buying or selling the underlying asset in correspondence with the option's delta. For example, if the market maker wrote 1 call option with a delta of ...
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How to find or calculate 30-day constant maturity price of a future?

Question, pretty much says it. Is there a reliable place where this data can be found or, if not, is there a reliable place where the underlying data needed to calculate the constant maturity price ...
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1 answer
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What is the formula that determines when VIX futures expire?

Or a source that will allow me to just get the list of dates into a program, I'm trying to do this in python but I want it to be able to figure out the next expiration automatically, or something like ...
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5 votes
1 answer
918 views

VXV vs. VIX futures: arbitrage opportunities?

At a first glance, VXV and VIX futures should not be compared at all: VXV is an underlying index, whilst VIX futures are derivatives written on a different underlying index, that is, VIX. As instance,...
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3 votes
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Motivation for hedging volatility using VIX ETNs

I wondered what the motivation for professional investors could be to trade in VIX ETNs. Why would they even think about trading this kind of product? (They normally should have access to VIX options,...
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3 votes
3 answers
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Why is the value of the VXX ETN always above short-term VIX futures prices?

If the VXX is simply a constant maturity weighted average of the 1st and 2nd month VIX futures prices, then why is its market price always larger than the maximum of the two? (the larger of the two is ...
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0 votes
1 answer
203 views

Interpretation of vega out of BS formula

I am comparing Monte Carlo estimates of VaR (using importance sampling) under both the normal and student distributions. I am also considering risk factors other than log-prices; in particular, ...
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1 vote
1 answer
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VIX Calculation - weighting of strikes

The formula for calculating the VIX from SPX options is given on page 4 of this document: https://www.cboe.com/micro/vix/vixwhite.pdf My question is, why is the option price at each strike weighted ...
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3 votes
0 answers
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Forecast biasness of VIX term structure

I'm interested in the topic of VIX futures being overpriced, so I'm looking for different models to find evidence for it. Asensio 2013 uses a regression to evaluate the forecast biasness of the VIX ...
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6 votes
1 answer
679 views

How is implied volatility derived?

How to compute Implied Volatility Calculation? The above link shows that there multiple ways to calculate implied volatility. My question is that for most of the common data sources like Bloomberg, ...
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0 votes
2 answers
104 views

Underlying mechanics of paired class shares ETFs

I came across an interesting pair of VIX ETPs, VXUP and VXDN. This new product referred to as "paired class shares" ETFs are quite different from traditional ETPs. Some interesting highlights from the ...
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3 votes
2 answers
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VIX Futures data: why happen to have settle price > 0 and Volume = O.I. = 0

This question is about something observed hands on data that makes me a little confused. Consider the term structure of futures on VIX of Monday, December 27, 2010. You can find it at the CFE market ...
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