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	param	t-stat
$ω$	0.0498	11.77
$α$	0.3609	43.37
$β$	0.6027	114.96

V-Lab

Vanguard S&P 500 ETF MEM Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:16.15% (-2.10%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vanguard S&P 500 ETF Analyses