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	param	t-stat
$ω$	1.0708	7.03
$α$	0.1056	7.15
$β$	0.8582	47.16
$γ_{1}$	0.0251	3.44
$γ_{2}$	-0.0340	-3.63

V-Lab

Vanguard S&P Mid-Cap 400 Value ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:18.67% (-0.54%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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