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	param	t-stat
$ω$	1.2363	7.12
$α$	0.1044	7.71
$β$	0.8152	37.61
$γ_{1}$	-0.0109	-0.45
$γ_{2}$	0.0448	1.24
$γ_{3}$	-0.1086	-3.56
$γ_{4}$	0.1566	4.39
$γ_{5}$	-0.1515	-3.65
$γ_{6}$	0.1151	2.70
$γ_{7}$	-0.0536	-1.36
$γ_{8}$	0.0075	0.29

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Cisco Systems Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:51.28% (-4.87%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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