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	param	t-stat
$ω$	1.8976	3.59
$α$	0.6296	3.13
$β$	0.0518	1.51
$γ_{1}$	0.3310	0.58
$γ_{2}$	0.0353	0.04
$γ_{3}$	-1.2381	-1.30
$γ_{4}$	2.3456	2.14
$γ_{5}$	-2.1869	-2.21
$γ_{6}$	1.0028	1.23
$γ_{7}$	-0.7897	-1.00
$γ_{8}$	1.2405	1.46
$γ_{9}$	-2.0051	-2.43
$γ_{10}$	1.9690	3.33

V-Lab

Tantech Holdings Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:66.20% (-72.61%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Tantech Holdings Ltd Analyses