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Refinaria Petroleo Manguinh Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 11th, 2026:157.52% (+26.28%)
Analysis last updated: Thursday, February 12, 2026 at 12:45 AM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Refinaria Petroleo Manguinh S0GARCH
paramt-stat
ω2.33985.11
α0.20975.35
β0.47877.09
γ10.64552.86
γ2-1.0275-2.50
γ30.61931.64
γ4-0.3204-1.38
γ50.08760.50
γ60.06300.30
γ7-0.0385-0.14
γ8-0.2726-0.71
γ90.49891.25
γ10-0.3302-1.22
Estimation Period:
Jan 27, 2005 to Feb 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts