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V-Lab

Deutsche Boerse AG German Stock Index DAX Asy. Power MEM Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

13.69%

decreased by 1.02%

1 Week

13.42%

decreased by 1.29%

1 Month

12.67%

decreased by 2.04%

Analysis last updated: Friday, September 11, 2026 at 08:42 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Deutsche Boerse AG German Stock Index DAX APMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 13, 1993 to Sep 11, 2026

Model Insight

This asset exhibits a notable leverage effect: negative returns increase next-day volatility 70% more than equivalent positive returns. The volatility power δ = 0.96 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

μ

APMEM Model

Tap to view equation

Leverage: Negative returns increase volatility 70% more than positive returnsδ = 0.96 · sub-quadratic power
ParamValuet-stat
ωconst0.0357
10.38***
αARCH0.1670
15.79***
βGARCH0.8163
74.51***
γleverage0.2696
8.06***
δpower0.9615
7.31***

0.949

Persistence

13d

Half-life
μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0357
10.38***
α

ARCH

Response to squared shocks

0.1670
15.79***
β

GARCH

Volatility persistence

0.8163
74.51***
γ

leverage

Additional response to negative shocks

0.2696
8.06***
δ

power

Transformation power

0.9615
7.31***

Persistence:

0.949

Half-life:

13 days