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	param	t-stat
$ω$	0.1483	18.75
$α$	0.1030	21.45
$β$	0.8503	263.91
$γ$	0.0706	6.45

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Sumitomo Mitsui Trust Group Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:36.59% (+6.98%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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