CBOE Volatility Index

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How volatility evolves over time

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{name} Model Equation

How returns affect tomorrow's volatility

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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
mwindow	66
αARCH	0.3368	4.29***
βGARCH	0.1018	1.67*
γleverage	0.0239	0.20
λ₁tau intercept	0.7584	0.88
λ₂forecast adj.	0.0213	1.45
λ₃tau persistence	0.9667	38.97***

Parameter	Value	t-statistic
m window Rolling window length	66
α ARCH Response to squared shocks	0.3368	4.29***
β GARCH Volatility persistence	0.1018	1.67*
γ leverage Additional response to negative shocks	0.0239	0.20
λ₁ tau intercept Baseline long-term coefficient	0.7584	0.88
λ₂ forecast adj. Forecast performance sensitivity	0.0213	1.45
λ₃ tau persistence Long-term factor persistence	0.9667	38.97***

V-Lab

CBOE Google Volatility Index MF2-GARCH Volatility Analysis

Date Range:

News Impact Curve

Volatility Forecast

Parameter Estimates

Other CBOE Google Volatility Index Analyses