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	param	t-stat
$ω$	1.0120	7.14
$α$	0.1271	8.75
$β$	0.7527	25.96
$γ_{1}$	-0.0087	-0.23
$γ_{2}$	-0.0045	-0.07
$γ_{3}$	-0.0117	-0.22
$γ_{4}$	0.0873	1.54
$γ_{5}$	-0.0323	-0.61
$γ_{6}$	-0.1715	-3.75
$γ_{7}$	0.2466	5.49
$γ_{8}$	-0.1218	-2.54
$γ_{9}$	0.0050	0.12
$γ_{10}$	0.0179	0.61

V-Lab

Tennant Co Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:24.83% (-1.01%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Tennant Co Analyses