V-Lab
Banco do Brasil SA MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
31.09%
decreased by 1.37%
1 Week
31.49%
decreased by 0.97%
1 Month
33.07%
increased by 0.61%
Analysis last updated: Tuesday, August 25, 2026 at 08:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 17, 1992 to Aug 21, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 33% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 71 | |
α ARCH Response to squared shocks | 0.0908 | 24.17*** |
β GARCH Volatility persistence | 0.8264 | 175.76*** |
γ leverage Additional response to negative shocks | 0.0299 | 6.21*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0181 | 3.87*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0130 | 7.73*** |
λ₃ tau persistence Long-term factor persistence | 0.9842 | 430.90*** |
Persistence:
0.932
Half-life:
10 days
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