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	param	t-stat
$ω$	-0.0096	-1.91
$α$	0.1111	23.55
$β$	0.8588	177.58
$γ$	0.6793	14.96

V-Lab

State Street SPDR S&P 500 ETF Trust AGARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:14.57% (-0.26%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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