V-Lab
Deutsche Borse SDAX Performance Index (XETRA) MEM Volatility Analysis
Volatility prediction for Friday, August 7th, 2026
1 Day
13.40%
decreased by 0.95%
1 Week
13.81%
decreased by 0.54%
1 Month
15.09%
increased by 0.74%
Analysis last updated: Thursday, August 6, 2026 at 07:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 5, 2013 to Jul 31, 2026Model Insight
Volatility shocks decay with a half-life of 22 trading days, meaning a shock loses half its impact after approximately 22 days.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0447 | 7.47*** |
α ARCH Response to squared shocks | 0.2257 | 29.58*** |
β GARCH Volatility persistence | 0.7439 | 135.75*** |
Persistence:
0.970
Half-life:
22 days
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