V-Lab
FII Vida Nova EGARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
69.71%
increased by 3.22%
1 Week
77.52%
increased by 11.03%
1 Month
84.70%
increased by 18.21%
Analysis last updated: Thursday, October 1, 2026 at 10:34 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 4, 2015 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 2-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0449 | 1.93* |
| αARCH | 0.4445 | 5.49*** |
| βGARCH | 0.6938 | 4.23*** |
| γleverage | -0.0178 | -0.08 |
0.694
Persistence2d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0449 | 1.93* |
α ARCH Response to squared shocks | 0.4445 | 5.49*** |
β GARCH Volatility persistence | 0.6938 | 4.23*** |
γ leverage Additional response to negative shocks | -0.0178 | -0.08 |
Persistence:
0.694
Half-life:
2 days
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