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	param	t-stat
$ω$	0.2017	6.05
$α$	0.1139	16.87
$β$	0.8785	242.67
$γ$	0.1100	5.78
$δ$	2.1324	12.81

V-Lab

ECA Marcellus Trust I APARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:42.06% (-2.10%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other ECA Marcellus Trust I Analyses