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V-Lab

CBOE Brazil ETF Volatility Index GARCH Volatility Analysis

Volatility prediction for Friday, August 7th, 2026

1 Day

68.06%

increased by 1.77%

1 Week

72.08%

increased by 5.79%

1 Month

78.67%

increased by 12.38%

Analysis last updated: Friday, August 7, 2026 at 08:39 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE Brazil ETF Volatility Index 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

Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.8610
19.39***
α

ARCH

Response to squared shocks

0.1434
16.81***
β

GARCH

Volatility persistence

0.7164
64.19***

Persistence:

0.860

Half-life:

5 days