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	param	t-stat
$ω$	0.8596	4.13
$α$	0.0979	4.99
$β$	0.8574	44.16
$γ_{1}$	0.0925	0.60
$γ_{2}$	-0.2128	-0.87
$γ_{3}$	0.2784	1.92
$γ_{4}$	-0.3199	-2.85
$γ_{5}$	0.3271	2.52
$γ_{6}$	-0.3875	-2.91
$γ_{7}$	0.4248	2.96

V-Lab

Vallourec Sa Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:32.77% (+0.67%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vallourec Sa Analyses