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	param	t-stat
$ω$	0.0003	0.61
$α$	0.1121	7.93
$β$	0.8027	8.13
$γ$	0.2080	2.74
$δ$	2.9630	2.72

V-Lab

Ambipar Emergency Response APARCH Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:457.00% (-34.61%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Ambipar Emergency Response Analyses