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	param	t-stat
$ω$	1.1266	6.08
$α$	0.1005	8.13
$β$	0.8764	67.09
$γ_{1}$	0.0034	1.35

V-Lab

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

Volatility Prediction for Tuesday, February 17th, 2026:14.77% (-0.73%)

Date Range:

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News Impact Curve

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