CBOE Volatility Index

CBOE NASDAQ-100 Volatility Index

CBOE DJIA Volatility Index

CBOE Russell 2000 Volatility Index

CBOE S&P 500 9-Day Volatility Index

CBOE 3-Month Volatility Index

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CBOE Skew Index

How volatility evolves over time

How illiquidity evolves over time

{name} Model Equation

How returns affect tomorrow's volatility

How returns affect tomorrow's illiquidity

Spline Coefficients

Value at Risk (VaR) estimates the maximum loss at a given confidence level. Expected Shortfall (ES) estimates the average loss beyond VaR.

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Param	Value	t-stat
ωconst	0.6413	2.59***
αARCH	0.0903	4.20***
βGARCH	0.8839	40.87***
γleverage	-1.0000	-3.14***
δpower	0.9794	6.98***

Parameter	Value	t-statistic
ω const Unconditional variance weight	0.6413	2.59***
α ARCH Response to squared shocks	0.0903	4.20***
β GARCH Volatility persistence	0.8839	40.87***
γ leverage Additional response to negative shocks	-1.0000	-3.14***
δ power Transformation power	0.9794	6.98***

V-Lab

CBOE S&P 500 Spot Volatility Index APARCH Volatility Analysis

Date Range:

News Impact Curve

Volatility Forecast

Parameter Estimates

Other CBOE S&P 500 Spot Volatility Index Analyses