Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1813	5.86
$α$	0.1224	12.86
$β$	0.8776	90.27
$γ$	0.0820	2.20
$δ$	1.5942	21.71

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Stemrim APARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:47.64% (-1.17%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Stemrim Analyses