V-Lab
XP Corporate Macae Fundo DE EGARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
12.47%
decreased by 0.65%
1 Week
14.31%
increased by 1.19%
1 Month
21.13%
increased by 8.01%
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
Mar 8, 2013 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 10 trading days, meaning a shock loses half its impact after approximately 10 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 10-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1071 | 6.53*** |
| αARCH | 0.3727 | 7.23*** |
| βGARCH | 0.9360 | 83.74*** |
| γleverage | 0.0522 | 1.17 |
0.936
Persistence10d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1071 | 6.53*** |
α ARCH Response to squared shocks | 0.3727 | 7.23*** |
β GARCH Volatility persistence | 0.9360 | 83.74*** |
γ leverage Additional response to negative shocks | 0.0522 | 1.17 |
Persistence:
0.936
Half-life:
10 days
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