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	param	t-stat
$ω$	0.0789	1.54
$α$	0.5095	4.60
$β$	0.4698	4.98
$γ_{1}$	-14.1882	-4.30
$γ_{2}$	12.9962	2.89
$γ_{3}$	8.0239	2.05
$γ_{4}$	2.1149	0.38
$γ_{5}$	-26.0684	-3.47
$γ_{6}$	27.5550	3.30
$γ_{7}$	-18.8495	-2.86
$γ_{8}$	16.7047	2.74
$γ_{9}$	-12.6909	-2.31

V-Lab

Ambipar Emergency Response Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:523.74% (+32.55%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Ambipar Emergency Response Analyses