Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1500	20.09
$α$	0.0613	20.76
$β$	0.8577	255.27
$γ$	0.1051	11.25

V-Lab

Sumitomo Corp GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:37.65% (-1.11%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Sumitomo Corp Analyses