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V-Lab

Deutsche Borse SDAX Performance Index (XETRA) GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 7th, 2026

1 Day

15.00%

decreased by 0.68%

1 Week

15.21%

decreased by 0.47%

1 Month

15.83%

increased by 0.15%

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) GJR-GARCH

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

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

GJR-GARCH Model

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Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
ωconst0.0506
4.77***
αARCH0.0305
1.66*
βGARCH0.8466
50.01***
γleverage0.1618
3.37***

0.958

Persistence

16d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0506
4.77***
α

ARCH

Response to squared shocks

0.0305
1.66*
β

GARCH

Volatility persistence

0.8466
50.01***
γ

leverage

Additional response to negative shocks

0.1618
3.37***

Persistence:

0.958

Half-life:

16 days