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	param	t-stat
$ω$	0.0103	4.04
$α$	0.1322	18.96
$β$	0.9805	837.34
$γ$	-0.1204	-22.40

V-Lab

State Street SPDR Portfolio S&P 500 Growth ETF EGARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:22.84% (+2.66%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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