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	param	t-stat
$ω$	153.9346	19.20
$α$	0.1129	10.95
$β$	0.7823	53.44
$ν$	5.2822	3.14

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

Volatility Prediction for Tuesday, January 13th, 2026:190.78% (+2.21%)

Date Range:

Parameter Estimates

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