Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1428	12.15
$α$	0.2356	48.75
$β$	0.7403	219.74

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Sumitomo Corp MEM Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:39.89% (+2.30%)

Date Range:

Parameter Estimates

News Impact Curve

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