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	param	t-stat
$ω$	0.7886	3.54
$α$	0.2006	6.07
$β$	0.7546	25.06
$γ_{1}$	-0.0137	-2.88
$γ_{2}$	0.0115	1.32

V-Lab

Okaya & Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:17.40% (-1.38%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Okaya & Co Ltd Analyses