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	param	t-stat
$ω$	0.9428	8.11
$α$	0.1268	3.84
$β$	0.5695	7.01
$γ_{1}$	0.0308	0.88
$γ_{2}$	-0.0408	-0.77
$γ_{3}$	-0.0255	-0.70
$γ_{4}$	0.1362	3.65

V-Lab

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

Volatility Prediction for Friday, February 13th, 2026:301.04% (+56.78%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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