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	param	t-stat
$ω$	0.5859	5.49
$α$	0.0851	7.29
$β$	0.8664	43.19
$γ_{1}$	-0.1053	-3.97
$γ_{2}$	0.1520	3.79
$γ_{3}$	-0.0353	-1.34
$γ_{4}$	-0.0778	-3.67
$γ_{5}$	0.1130	6.40
$γ_{6}$	-0.0515	-4.41

V-Lab

Hellenic Telecommunications Organization SA Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:20.86% (+0.54%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hellenic Telecommunications Organization SA Analyses