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Deutsche Borse SDAX Performance Index (XETRA) EGARCH Volatility Analysis

Volatility prediction for Tuesday, September 29th, 2026

1 Day

15.43%

decreased by 0.75%

1 Week

15.58%

decreased by 0.60%

1 Month

16.03%

decreased by 0.15%

Analysis last updated: Monday, September 28, 2026 at 07:10 PM UTC

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graph of Deutsche Borse SDAX Performance Index (XETRA) EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 5, 2013 to Sep 25, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 344% more than equivalent positive returns.

σ

EGARCH Model

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Leverage: Negative returns increase volatility 344% more than positive returns
ParamValuet-stat
ωconst0.0074
0.55
αARCH0.1824
7.48***
βGARCH0.9564
108.24***
γleverage-0.1154
-5.13***

0.956

Persistence

16d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0074
0.55
α

ARCH

Response to squared shocks

0.1824
7.48***
β

GARCH

Volatility persistence

0.9564
108.24***
γ

leverage

Additional response to negative shocks

-0.1154
-5.13***

Persistence:

0.956

Half-life:

16 days