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	param	t-stat
$ω$	3.7441	20.02
$α$	0.5161	17.62
$β$	0.5702	42.24
$γ$	0.0197	0.13

V-Lab

Tantech Holdings Ltd AGARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:95.73% (-23.89%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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