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	param	t-stat
$ω$	3.0978	5.75
$α$	0.1007	9.18
$β$	0.8708	68.24
$γ_{1}$	0.0952	7.01
$γ_{2}$	-0.1296	-6.35
$γ_{3}$	0.0664	3.63
$γ_{4}$	-0.0545	-2.09

V-Lab

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

Volatility Prediction for Wednesday, February 11th, 2026:20.45% (-0.97%)

Date Range:

Parameter Estimates

News Impact Curve

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