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	0.0277	7.95***
αARCH	0.0828	7.54***
βGARCH	0.9068	95.69***
γleverage	0.8286	4.78***
δpower	1.1222	10.96***

Parameter	Value	t-statistic
ω const Unconditional variance weight	0.0277	7.95***
α ARCH Response to squared shocks	0.0828	7.54***
β GARCH Volatility persistence	0.9068	95.69***
γ leverage Additional response to negative shocks	0.8286	4.78***
δ power Transformation power	1.1222	10.96***

V-Lab

S&P 100 Index APARCH Volatility Analysis

Date Range:

News Impact Curve

Volatility Forecast

Parameter Estimates

Other S&P 100 Index Analyses