V-Lab
RB Capital Desenvolvimento Residencial IV FII MEM Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
24.86%
increased by 1.48%
1 Week
25.12%
increased by 1.74%
1 Month
26.06%
increased by 2.68%
Analysis last updated: Thursday, October 1, 2026 at 10:31 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 6, 2020 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 52 trading days, meaning a shock loses half its impact after approximately 52 days.
μ
MEM Model
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Shock decay: Shocks decay with a 52-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0586 | 1.14 |
| αARCH | 0.1222 | 4.47*** |
| βGARCH | 0.8647 | 71.42*** |
0.987
Persistence52d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0586 | 1.14 |
α ARCH Response to squared shocks | 0.1222 | 4.47*** |
β GARCH Volatility persistence | 0.8647 | 71.42*** |
Persistence:
0.987
Half-life:
52 days
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