Mar
24

## VIX calculation

CBOE

Introduced by this paper http://www.cboe.com/micro/vix/vixwhite.pdf,

1), Select the options to be used in the

2), Calculate volatility for both near-term and next-term options;

3), Calculate the 30-day weighted average of variance, then take the square root of that value and multiply by 100 to get VIX.

Matlab code: VIX

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**Volatility Index**, VIX, was originally designed to measure the market’s expectation of 30-day volatility implied by at-the-money S&P 100 Index (OEX) option prices. Now VIX is used to reflect a new way to measure expected volatility, one that continues to be widely used by financial theorists, risk managers and volatility traders alike. The new VIX is based on the S&P 500 Index (SPX), the core index for U.S. equities, and estimates expected volatility by averaging the weighted prices of SPX puts and calls over a wide range of strike prices. By supplying a script for replicating volatility exposure with a portfolio of SPX options, this new methodology transformed VIX from an abstract concept into a practical standard for trading and hedging volatility.Introduced by this paper http://www.cboe.com/micro/vix/vixwhite.pdf,

**VIX calculation**is done step-by step as:1), Select the options to be used in the

**VIX calculation**;2), Calculate volatility for both near-term and next-term options;

3), Calculate the 30-day weighted average of variance, then take the square root of that value and multiply by 100 to get VIX.

Matlab code: VIX

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it would really help me if u could send me the matlab code for the VIX calculation,

tank u verry mutch!

igorarb@gmail.com