V-Lab
Banco do Brasil SA MF2-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
27.27%
increased by 0.03%
1 Week
28.23%
increased by 0.99%
1 Month
31.05%
increased by 3.81%
Analysis last updated: Wednesday, August 5, 2026 at 08:40 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 17, 1992 to Jul 31, 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 | 0.0910 | 24.20*** |
β GARCH Volatility persistence | 0.8262 | 175.76*** |
γ leverage Additional response to negative shocks | 0.0300 | 6.22*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0180 | 3.87*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0129 | 7.76*** |
λ₃ tau persistence Long-term factor persistence | 0.9842 | 433.19*** |
Persistence:
0.932
Half-life:
10 days
Other Banco do Brasil SA Analyses
Other MF2-GARCH Analyses on International Equities