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	param	t-stat
$ω$	0.1762	13.28
$α$	0.0902	10.44
$β$	0.8810	246.24
$γ$	0.0575	3.37

V-Lab

ECA Marcellus Trust I GJR-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:40.43% (-2.01%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other ECA Marcellus Trust I Analyses