V-Lab
D.L.S.I. Asy. MEM Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
21.34%
increased by 0.48%
1 Week
22.59%
increased by 1.73%
1 Month
26.20%
increased by 5.34%
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 20 trading days, meaning a shock loses half its impact after approximately 20 days.
μ
AMEM Model
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Shock decay: Shocks decay with a 20-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1732 | 5.40*** |
| αARCH | 0.1522 | 5.72*** |
| βGARCH | 0.8079 | 40.73*** |
| γleverage | 0.0124 | 0.29 |
0.966
Persistence20d
Half-lifeμ
AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1732 | 5.40*** |
α ARCH Response to squared shocks | 0.1522 | 5.72*** |
β GARCH Volatility persistence | 0.8079 | 40.73*** |
γ leverage Additional response to negative shocks | 0.0124 | 0.29 |
Persistence:
0.966
Half-life:
20 days
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