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	param	t-stat
$ω$	0.3968	14.87
$α$	0.5196	21.07
$β$	0.9063	142.09
$γ$	-0.0171	-1.02

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Tantech Holdings Ltd EGARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:119.89% (-3.33%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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