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	param	t-stat
$ω$	0.0583	21.67
$α$	0.0702	16.59
$β$	0.8785	286.52
$γ$	0.0681	8.99

V-Lab

Markel Group Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:16.02% (-0.51%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Markel Group Inc Analyses