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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 16, 2011 to Apr 4, 2025Model 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
| Parameter | Value | t-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
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