Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	1.2466	5.17
$α$	0.1399	6.60
$β$	0.7538	18.79
$γ_{1}$	-0.0352	-0.17
$γ_{2}$	0.3220	0.94
$γ_{3}$	-0.7193	-2.19
$γ_{4}$	0.8953	2.68
$γ_{5}$	-0.6933	-2.50
$γ_{6}$	0.2948	1.29
$γ_{7}$	-0.1373	-0.75
$γ_{8}$	0.0050	0.03
$γ_{9}$	0.2437	1.03
$γ_{10}$	-0.2553	-1.27

V-Lab

Hirakawa Hewtech Corp Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:71.45% (-1.15%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hirakawa Hewtech Corp Analyses