V-Lab
RB Capital Desenvolvimento Residencial IV FII GARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
23.10%
decreased by 0.70%
1 Week
23.10%
decreased by 0.70%
1 Month
23.09%
decreased by 0.71%
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 34 trading days, meaning a shock loses half its impact after approximately 34 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 34-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0421 | 1.83* |
| αARCH | 0.0563 | 2.53** |
| βGARCH | 0.9237 | 33.24*** |
0.980
Persistence34d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0421 | 1.83* |
α ARCH Response to squared shocks | 0.0563 | 2.53** |
β GARCH Volatility persistence | 0.9237 | 33.24*** |
Persistence:
0.980
Half-life:
34 days
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