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

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How volatility evolves over time

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{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	1.3633	2.77***
αARCH	0.0884	9.24***
βGARCH	0.9866	176.91***
νDF	10.9242	1.12

Parameter	Value	t-statistic
ω const Unconditional variance weight	1.3633	2.77***
α ARCH Response to squared shocks	0.0884	9.24***
β GARCH Volatility persistence	0.9866	176.91***
ν DF Student-t tail thickness	10.9242	1.12

V-Lab

S&P MidCap 400 Index GAS-GARCH Student T Volatility Analysis

Date Range:

News Impact Curve

Volatility Forecast

Parameter Estimates

Other S&P MidCap 400 Index Analyses