Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.0652	12.35
$α$	0.0648	18.04
$β$	0.9277	273.09
$γ$	0.2464	10.59
$δ$	1.4521	21.79

V-Lab

Tsumura & Co APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:26.35% (-0.78%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Tsumura & Co Analyses