V-Lab
D.L.S.I. EGARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
27.07%
increased by 4.20%
1 Week
29.39%
increased by 6.52%
1 Month
33.64%
increased by 10.77%
Analysis last updated: Wednesday, September 9, 2026 at 06:33 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 26, 2006 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 4-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2570 | 3.61*** |
| αARCH | 0.2991 | 6.55*** |
| βGARCH | 0.8461 | 18.46*** |
| γleverage | -0.0332 | -0.79 |
0.846
Persistence4d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2570 | 3.61*** |
α ARCH Response to squared shocks | 0.2991 | 6.55*** |
β GARCH Volatility persistence | 0.8461 | 18.46*** |
γ leverage Additional response to negative shocks | -0.0332 | -0.79 |
Persistence:
0.846
Half-life:
4 days
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