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	param	t-stat
$ω$	0.0922	10.85
$α$	0.2067	26.95
$β$	0.7358	145.59

V-Lab

State Street SPDR Portfolio S&P 400 Mid Cap ETF MEM Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:23.98% (+0.03%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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