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	param	t-stat
$ω$	0.7687	5.88
$α$	0.2523	3.42
$β$	0.4784	4.70
$γ_{1}$	0.0804	0.44
$γ_{2}$	0.1260	0.43
$γ_{3}$	-0.8008	-2.54

V-Lab

Hokkaido Electric Power Co Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:36.64% (-3.87%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hokkaido Electric Power Co Analyses