V-Lab
Fundo De Investimento Imobiliario Caixa Agencias Asy. MEM Volatility Analysis
Volatility prediction for Wednesday, September 30th, 2026
1 Day
17.44%
increased by 0.28%
1 Week
19.59%
increased by 2.43%
1 Month
22.57%
increased by 5.41%
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 4 trading days, meaning a shock loses half its impact after approximately 4 days.
μ
AMEM Model
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Shock decay: Shocks decay with a 4-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3831 | 2.91*** |
| αARCH | 0.3272 | 2.36** |
| βGARCH | 0.5569 | 6.21*** |
| γleverage | -0.0949 | -0.42 |
0.837
Persistence4d
Half-lifeμ
AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3831 | 2.91*** |
α ARCH Response to squared shocks | 0.3272 | 2.36** |
β GARCH Volatility persistence | 0.5569 | 6.21*** |
γ leverage Additional response to negative shocks | -0.0949 | -0.42 |
Persistence:
0.837
Half-life:
4 days
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