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	param	t-stat
$ω$	0.0340	2.93
$α$	0.2963	3.27
$β$	0.4549	3.76
$γ_{1}$	-13.4329	-5.26
$γ_{2}$	12.9909	3.91
$γ_{3}$	5.9090	2.15
$γ_{4}$	4.8796	1.27
$γ_{5}$	-28.2549	-4.63
$γ_{6}$	27.9287	3.74
$γ_{7}$	-15.9505	-2.81
$γ_{8}$	8.0092	1.96
$γ_{9}$	6.8106	1.33

V-Lab

Ambipar Emergency Response Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:588.85% (-11.35%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Ambipar Emergency Response Analyses