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	param	t-stat
$ω$	-0.0053	-1.42
$α$	0.1028	28.36
$β$	0.8684	229.85
$γ$	0.6306	16.72

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S&P 500 Index AGARCH Volatility Analysis

Volatility Prediction for Tuesday, December 30th, 2025:11.05% (+1.03%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P 500 Index Analyses