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	param	t-stat
$ω$	1.5203	5.70
$α$	0.0595	6.34
$β$	0.9206	88.60
$γ_{1}$	0.0505	3.73
$γ_{2}$	-0.0758	-3.97
$γ_{3}$	0.0419	3.39
$γ_{4}$	-0.0237	-2.83

V-Lab

Repsol Sa Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:34.26% (-0.75%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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