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	param	t-stat
$ω$	0.9163	3.90
$α$	0.0995	8.37
$β$	0.8430	45.04
$γ_{1}$	-0.0833	-2.51
$γ_{2}$	0.1894	3.20
$γ_{3}$	-0.2340	-3.64
$γ_{4}$	0.2533	3.99
$γ_{5}$	-0.1925	-4.05
$γ_{6}$	0.0476	1.36
$γ_{7}$	0.0904	2.70
$γ_{8}$	-0.1272	-3.45
$γ_{9}$	0.1199	1.87

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Jefferies Financial Group Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:47.37% (-2.51%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Jefferies Financial Group Inc Analyses