Deutsche Borse AG DAX Mid-Cap Index MEM Volatility Analysis
Volatility prediction for Friday, October 23rd, 2026
1 Day
18.29%
decreased by 0.71%
1 Week
18.44%
decreased by 0.56%
1 Month
18.96%
decreased by 0.04%
Analysis last updated: Thursday, October 22, 2026 at 08:06 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 13, 1996 to Oct 16, 2026Model Insight
Volatility shocks decay with a half-life of 44 trading days, meaning a shock loses half its impact after approximately 44 days.
μ
MEM Model
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Shock decay: Shocks decay with a 44-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0320 | 2.36** |
| αARCH | 0.2344 | 11.95*** |
| βGARCH | 0.7498 | 61.10*** |
0.984
Persistence44d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0320 | 2.36** |
α ARCH Response to squared shocks | 0.2344 | 11.95*** |
β GARCH Volatility persistence | 0.7498 | 61.10*** |
Persistence:
0.984
Half-life:
44 days
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