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	param	t-stat
$ω$	0.9415	8.11
$α$	0.1249	3.82
$β$	0.5744	7.11
$γ_{1}$	0.0306	0.88
$γ_{2}$	-0.0406	-0.76
$γ_{3}$	-0.0258	-0.70
$γ_{4}$	0.1380	3.69

V-Lab

CBOE S&P 500 9-Day Volatility Index Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:246.36% (-11.28%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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