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	param	t-stat
$ω$	0.0100	2.71
$α$	0.1614	32.94
$β$	0.9688	519.72
$γ$	-0.1396	-28.71

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

Volatility Prediction for Friday, February 13th, 2026:17.54% (+2.80%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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