Banco do Brasil SA GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
31.14%
increased by 0.05%
1 Week
31.79%
increased by 0.70%
1 Month
33.96%
increased by 2.87%
Analysis last updated: Tuesday, July 14, 2026 at 08:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 17, 1992 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1601 | 4.30*** |
α ARCH Response to squared shocks | 0.0568 | 10.88*** |
β GARCH Volatility persistence | 0.9285 | 129.41*** |
γ leverage Additional response to negative shocks | -0.0111 | -0.78 |
Persistence:
0.980
Half-life:
34 days
Other Banco do Brasil SA Analyses
Other GJR-GARCH Analyses on International Equities