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	param	t-stat
$ω$	0.4836	5.12
$α$	0.1698	7.95
$β$	0.8020	39.16
$γ_{1}$	-0.0626	-4.62
$γ_{2}$	0.0946	4.38
$γ_{3}$	-0.0584	-2.42

V-Lab

Nuveen S&P 500 Buy-Write Income Fund Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:10.68% (-0.80%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Nuveen S&P 500 Buy-Write Income Fund Analyses