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	param	t-stat
$ω$	0.0300	21.78
$α$	0.0740	24.98
$β$	0.9214	319.72
$γ$	0.8114	22.78
$δ$	0.9349	18.48

V-Lab

State Street SPDR Portfolio S&P 600 Small Cap ETF APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:16.61% (-0.61%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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