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	param	t-stat
$ω$	0.0817	17.29
$α$	0.1535	28.89
$β$	0.8465	159.15
$γ$	-0.0009	-0.04
$δ$	1.4935	28.61

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Okaya & Co Ltd APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:22.51% (+3.66%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Okaya & Co Ltd Analyses