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	param	t-stat
$ω$	0.5752	5.65
$α$	0.0861	7.12
$β$	0.8611	39.62
$γ_{1}$	-0.1063	-4.14
$γ_{2}$	0.1523	3.92
$γ_{3}$	-0.0321	-1.25
$γ_{4}$	-0.0871	-4.18
$γ_{5}$	0.1358	7.07
$γ_{6}$	-0.1138	-4.25

V-Lab

Hellenic Telecommunications Organization SA Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:18.39% (+0.64%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hellenic Telecommunications Organization SA Analyses