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	param	t-stat
$ω$	0.0325	21.63
$α$	0.0769	21.97
$β$	0.9088	279.19
$γ$	0.7521	17.63
$δ$	1.2368	29.48

V-Lab

Vanguard S&P Mid-Cap 400 Value ETF APARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:15.93% (+2.11%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vanguard S&P Mid-Cap 400 Value ETF Analyses