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	param	t-stat
$ω$	0.0581	15.95
$α$	0.0434	14.04
$β$	0.9026	286.08
$γ$	0.0691	10.68

V-Lab

Telefonica Sa GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:25.23% (-0.81%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Telefonica Sa Analyses