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{name} Model Equation

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Parameter	Value	t-statistic
ω const Unconditional variance weight	5.0000	9.44***
α ARCH Response to squared shocks	0.1384	23.94***
β GARCH Volatility persistence	0.9003	191.95***
γ leverage Additional response to negative shocks	-0.1274	-11.19***

V-Lab

CBOE S&P 500 Spot Volatility Index GJR-GARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

Other CBOE S&P 500 Spot Volatility Index Analyses