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CBOE Brazil ETF Volatility Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 9th, 2026

1 Day

91.94%

decreased by 9.00%

1 Week

89.21%

decreased by 11.73%

1 Month

84.68%

decreased by 16.26%

Analysis last updated: Saturday, October 10, 2026 at 02:29 AM UTC

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Date Range:

from

10/08/2024

to

10/08/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE Brazil ETF Volatility Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 16, 2011 to Oct 8, 2026

Model Insight

This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.

σ

GJR-GARCH Model

Tap to view equation

Inverse leverage: volatility responds almost entirely to positive returns
ParamValuet-stat
ωconst4.2378
4.46***
αARCH0.2026
3.20***
βGARCH0.7193
16.21***
γleverage-0.1651
-2.26**

0.839

Persistence

4d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.2378
4.46***
α

ARCH

Response to squared shocks

0.2026
3.20***
β

GARCH

Volatility persistence

0.7193
16.21***
γ

leverage

Additional response to negative shocks

-0.1651
-2.26**

Persistence:

0.839

Half-life:

4 days