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V-Lab

Deutsche Borse SDAX Performance Index (XETRA) MEM Volatility Analysis

Volatility prediction for Monday, September 7th, 2026

1 Day

12.77%

decreased by 1.15%

1 Week

13.23%

decreased by 0.69%

1 Month

14.64%

increased by 0.72%

Analysis last updated: Friday, September 4, 2026 at 08:10 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Deutsche Borse SDAX Performance Index (XETRA) MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 5, 2013 to Sep 4, 2026

Model 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

Shock decay: Shocks decay with a 22-day half-life
ParamValuet-stat
ωconst0.0444
1.86*
αARCH0.2250
7.40***
βGARCH0.7443
34.03***

0.969

Persistence

22d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0444
1.86*
α

ARCH

Response to squared shocks

0.2250
7.40***
β

GARCH

Volatility persistence

0.7443
34.03***

Persistence:

0.969

Half-life:

22 days