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	param	t-stat
$ω$	0.0252	26.39
$α$	0.0667	21.42
$β$	0.9226	393.94
$γ$	0.8249	17.27
$δ$	1.2488	34.63

V-Lab

State Street SPDR S&P 400 Mid Cap Value ETF APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:13.40% (-0.12%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other State Street SPDR S&P 400 Mid Cap Value ETF Analyses