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	param	t-stat
$ω$	0.0193	15.74
$α$	0.0795	24.38
$β$	0.9131	369.84
$γ$	0.0147	2.61

V-Lab

Hokkaido Electric Power Co GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:37.30% (-1.65%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hokkaido Electric Power Co Analyses