V-Lab
Rio Bravo Credito Imobiliario High Grade FII GAS-GARCH Student T Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
28.84%
1 Week
28.88%
1 Month
29.02%
Analysis last updated: Thursday, October 1, 2026 at 10:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 5, 2020 to Sep 25, 2026Model Insight
With persistence 0.997, volatility shocks have a half-life of 264 trading days (~1.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 3.71 degrees of freedom, capturing fatter tails than a normal distribution.
GAS-GARCH-T Model
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| Param | Value | t-stat |
|---|---|---|
| ωconst | 4.9331 | 2.05** |
| αARCH | 0.0757 | 10.82*** |
| βGARCH | 0.9974 | 694.07*** |
| νDF | 3.7137 | 8.00*** |
0.997
Persistence264d
Half-lifeGAS-GARCH-T Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.9331 | 2.05** |
α ARCH Response to squared shocks | 0.0757 | 10.82*** |
β GARCH Volatility persistence | 0.9974 | 694.07*** |
ν DF Student-t tail thickness | 3.7137 | 8.00*** |
Persistence:
0.997
Half-life:
264 days
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