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V-Lab

CBOE Brazil ETF Volatility Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, July 10th, 2026

1 Day

60.29%

increased by 0.11%

1 Week

65.30%

increased by 5.12%

1 Month

74.27%

increased by 14.09%

Analysis last updated: Friday, July 10, 2026 at 08:33 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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10Y ·

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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 Apr 4, 2025

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 349% 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

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.0953
16.61***
α

ARCH

Response to squared shocks

0.1954
14.07***
β

GARCH

Volatility persistence

0.7633
82.36***
γ

leverage

Additional response to negative shocks

-0.1518
-9.33***

Persistence:

0.883

Half-life:

6 days