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	param	t-stat
$ω$	0.0571	13.55
$α$	0.0574	37.84
$β$	0.9199	497.79
$γ$	0.7670	14.95

V-Lab

Martin Marietta Materials Inc AGARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:34.55% (-0.99%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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