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	param	t-stat
$ω$	1.3818	9.27
$α$	0.0934	9.31
$β$	0.8868	77.52
$γ_{1}$	0.0023	2.30

V-Lab

State Street Materials Select Sector SPDR ETF Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:20.74% (-0.96%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other State Street Materials Select Sector SPDR ETF Analyses