Nikkei Stock Average Volatility Index

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	param	t-stat
$m$	21
$α$	0.2153	20.32
$β$	0.5204	31.07
$γ$	0.0752	3.82
$λ_{1}$	0.0217	2.49
$λ_{2}$	0.0460	4.14
$λ_{3}$	0.9493	79.03

V-Lab

Okaya & Co Ltd MF2-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:22.78% (+6.60%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Okaya & Co Ltd Analyses