Tagged Questions
3
votes
1answer
97 views
When the Inverse Correlation between the SPX and VIX breaks down
As we all know the S&P and its implied vol, the VIX, generally move in opposite direction. To a large extent, the correlations makes sense. IV is one of the main drivers of the price of options, ...
8
votes
1answer
273 views
What drives changes in implied volatility on ETFs/ETNs?
I thought implied volatility, as well as the VIX, primarily increase due to increases in the underlying asset's volatility, as well as the options themselves being bid up because more people were ...
7
votes
2answers
716 views
What does the VIX formula measure and how does it work?
I have read the CBOE's white paper on the VIX and a lot of other things, but I need to honestly say, I don't really get it, or I am missing something important.
In semi-layman's terms, is the VIX ...
9
votes
1answer
385 views
Can VIX be interpreted as a proxy for instantaneous volatility?
BJO06 (Table 2) estimate the following Cox-Ingersoll-Ross model for market variance, $\sigma^2_t$:
$\mathrm{d}\sigma^2_t = (\alpha_0 + \alpha_1\sigma^2_t)\mathrm{d}t + ...
4
votes
1answer
600 views
If VIX is the Implied Volatility of SPX, 30 days in the future, how many days into the future does VIX vol look?
Question: if VIX is the Implied Volatility of SPX, 30 days in the future, how many days into the future does VIX vol look? +60 or +30?
Lets see if I'm on the right track:
Premise 1: VIX is the ...
