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V-Lab

Banco do Brasil SA GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

34.15%

decreased by 0.48%

1 Week

34.62%

decreased by 0.01%

1 Month

36.24%

increased by 1.61%

Analysis last updated: Tuesday, August 25, 2026 at 08:47 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Banco do Brasil SA GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 17, 1992 to Aug 21, 2026

Model 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1595
4.32***
α

ARCH

Response to squared shocks

0.0567
10.93***
β

GARCH

Volatility persistence

0.9287
130.64***
γ

leverage

Additional response to negative shocks

-0.0111
-0.78

Persistence:

0.980

Half-life:

34 days