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	param	t-stat
$ω$	1.0423	7.67
$α$	0.0799	4.99
$β$	0.8537	32.91
$γ_{1}$	-0.0093	-0.14
$γ_{2}$	0.0266	0.23
$γ_{3}$	-0.0226	-0.28
$γ_{4}$	-0.0294	-0.57
$γ_{5}$	0.1316	2.37
$γ_{6}$	-0.2206	-3.48
$γ_{7}$	0.2003	3.98
$γ_{8}$	-0.0657	-1.26
$γ_{9}$	-0.0460	-0.66
$γ_{10}$	0.0426	0.82

V-Lab

Harley-Davidson Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:35.92% (+0.20%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Harley-Davidson Inc Analyses