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	param	t-stat
$ω$	0.9353	7.10
$α$	0.0797	4.93
$β$	0.8536	32.46
$γ_{1}$	-0.0331	-0.50
$γ_{2}$	0.0572	0.49
$γ_{3}$	-0.0313	-0.38
$γ_{4}$	-0.0304	-0.58
$γ_{5}$	0.1415	2.53
$γ_{6}$	-0.2363	-3.71
$γ_{7}$	0.2166	4.26
$γ_{8}$	-0.0809	-1.44
$γ_{9}$	-0.0259	-0.32
$γ_{10}$	0.0014	0.01

V-Lab

Harley-Davidson Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:37.76% (-0.96%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Harley-Davidson Inc Analyses