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	param	t-stat
$ω$	1.3659	6.56
$α$	0.0927	41.44
$β$	0.9891	558.21
$ν$	6.7552	9.00

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State Street SPDR S&P 500 ETF Trust GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:11.94% (-0.63%)

Date Range:

Parameter Estimates

Other State Street SPDR S&P 500 ETF Trust Analyses