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	param	t-stat
$ω$	0.0289	15.68
$α$	0.1061	28.92
$β$	0.9825	1,214.50
$γ$	-0.0467	-14.77

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Martin Marietta Materials Inc EGARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:31.44% (-0.55%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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