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	param	t-stat
$ω$	0.0398	15.94
$α$	0.0119	3.92
$β$	0.8696	260.68
$γ$	0.1834	20.84

V-Lab

Vanguard S&P Mid-Cap 400 Growth ETF GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:15.85% (-0.70%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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