V-Lab
Valora Renda Imobiliaria Fundo De Investimento Imobiliario GARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
20.21%
decreased by 0.16%
1 Week
23.05%
increased by 2.68%
1 Month
24.21%
increased by 3.84%
Analysis last updated: Thursday, October 1, 2026 at 10:27 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 18, 2024 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
GARCH Model
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Shock decay: Shocks decay with a 1-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.2626 | 2.90*** |
| αARCH | 0.2551 | 3.02*** |
| βGARCH | 0.2178 | 1.14 |
0.473
Persistence1d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2626 | 2.90*** |
α ARCH Response to squared shocks | 0.2551 | 3.02*** |
β GARCH Volatility persistence | 0.2178 | 1.14 |
Persistence:
0.473
Half-life:
1 days
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