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	param	t-stat
$ω$	0.0270	12.30
$α$	0.0000	0.00
$β$	0.8898	281.39
$γ$	0.1724	16.97

V-Lab

State Street SPDR Portfolio S&P 500 ETF GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:15.39% (-0.69%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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