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	param	t-stat
$ω$	1.3503	10.43
$α$	0.1022	24.24
$β$	0.9743	355.45
$ν$	8.4645	4.41

V-Lab

Vanguard S&P Mid-Cap 400 ETF GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:14.98% (-1.03%)

Date Range:

Parameter Estimates

Other Vanguard S&P Mid-Cap 400 ETF Analyses