V-Lab
Patria Securities Fundo De Investimento Imobiliario Responsabilidade Limitada GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
16.87%
decreased by 0.87%
1 Week
17.42%
decreased by 0.32%
1 Month
18.70%
increased by 0.96%
Analysis last updated: Thursday, October 1, 2026 at 10:34 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 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 8-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1328 | 3.63*** |
| αARCH | 0.1911 | 2.86*** |
| βGARCH | 0.7492 | 19.07*** |
| γleverage | -0.0434 | -0.36 |
0.919
Persistence8d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1328 | 3.63*** |
α ARCH Response to squared shocks | 0.1911 | 2.86*** |
β GARCH Volatility persistence | 0.7492 | 19.07*** |
γ leverage Additional response to negative shocks | -0.0434 | -0.36 |
Persistence:
0.919
Half-life:
8 days
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