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	param	t-stat
$ω$	0.0524	17.13
$α$	0.1634	16.59
$β$	0.7559	103.78
$γ$	0.2115	9.39
$δ$	2.3450	20.58

V-Lab

State Street SPDR Portfolio S&P 500 ETF Asy. Power MEM Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:16.70% (-1.02%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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