V-Lab
Fundo De Investimento Imobiliario Caixa Agencias GARCH Volatility Analysis
Volatility prediction for Wednesday, September 30th, 2026
1 Day
15.18%
decreased by 0.52%
1 Week
14.99%
decreased by 0.71%
1 Month
14.56%
decreased by 1.14%
Analysis last updated: Thursday, October 1, 2026 at 10:32 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 7, 2022 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 7-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0702 | 2.97*** |
| αARCH | 0.1009 | 3.02*** |
| βGARCH | 0.8091 | 16.86*** |
0.910
Persistence7d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0702 | 2.97*** |
α ARCH Response to squared shocks | 0.1009 | 3.02*** |
β GARCH Volatility persistence | 0.8091 | 16.86*** |
Persistence:
0.910
Half-life:
7 days
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