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V-Lab

CBOE Brazil ETF Volatility Index EGARCH Volatility Analysis

Volatility prediction for Friday, August 7th, 2026

1 Day

61.31%

decreased by 1.12%

1 Week

63.99%

increased by 1.56%

1 Month

71.69%

increased by 9.26%

Analysis last updated: Friday, August 7, 2026 at 08:40 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of CBOE Brazil ETF Volatility Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 16, 2011 to Apr 4, 2025

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 317% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2329
12.22***
α

ARCH

Response to squared shocks

0.1840
13.22***
β

GARCH

Volatility persistence

0.9305
179.46***
γ

leverage

Additional response to negative shocks

0.1129
9.47***

Persistence:

0.931

Half-life:

10 days