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	param	t-stat
$ω$	1.3508	7.83
$α$	0.1135	8.75
$β$	0.8600	61.32
$γ_{1}$	0.0205	3.83
$γ_{2}$	-0.0255	-3.66

V-Lab

InvInvesco S&P Midcap 400 Revenue ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:19.80% (-0.75%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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