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	param	t-stat
$ω$	1.5487	5.97
$α$	0.0602	6.46
$β$	0.9181	84.93
$γ_{1}$	0.0553	4.19
$γ_{2}$	-0.0857	-4.57
$γ_{3}$	0.0576	4.11
$γ_{4}$	-0.0602	-2.77

V-Lab

Repsol Sa Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:33.06% (+0.21%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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