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	param	t-stat
$ω$	0.8685	4.07
$α$	0.0969	5.09
$β$	0.8611	46.25
$γ_{1}$	0.0969	0.61
$γ_{2}$	-0.2178	-0.87
$γ_{3}$	0.2745	1.86
$γ_{4}$	-0.3060	-2.69
$γ_{5}$	0.2999	2.33
$γ_{6}$	-0.3303	-2.67
$γ_{7}$	0.2818	3.42

V-Lab

Vallourec Sa Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 10th, 2026:29.61% (-0.69%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vallourec Sa Analyses