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	param	t-stat
$ω$	154.3785	19.22
$α$	0.1135	11.00
$β$	0.7826	53.60
$ν$	5.2926	3.16

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CBOE S&P 500 9-Day Volatility Index GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, December 23rd, 2025:211.58% (-33.43%)

Date Range:

Parameter Estimates

Other CBOE S&P 500 9-Day Volatility Index Analyses