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	param	t-stat
$ω$	4.0571	16.49
$α$	0.3852	11.45
$β$	0.5994	32.54
$γ$	0.0307	0.56

V-Lab

Tantech Holdings Ltd GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:107.45% (-6.10%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Tantech Holdings Ltd Analyses