V-Lab
RB Capital Desenvolvimento Residencial IV FII GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
23.86%
decreased by 0.77%
1 Week
23.80%
decreased by 0.83%
1 Month
23.62%
decreased by 1.01%
Analysis last updated: Thursday, October 1, 2026 at 10:31 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 5, 2020 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 25 trading days, meaning a shock loses half its impact after approximately 25 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 25-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0562 | 1.59 |
| αARCH | 0.1001 | 2.16** |
| βGARCH | 0.9150 | 30.98*** |
| γleverage | -0.0845 | -1.74* |
0.973
Persistence25d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0562 | 1.59 |
α ARCH Response to squared shocks | 0.1001 | 2.16** |
β GARCH Volatility persistence | 0.9150 | 30.98*** |
γ leverage Additional response to negative shocks | -0.0845 | -1.74* |
Persistence:
0.973
Half-life:
25 days
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