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V-Lab

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

Volatility prediction for Tuesday, July 21st, 2026

1 Day

13.95%

decreased by 0.69%

1 Week

14.26%

decreased by 0.38%

1 Month

15.19%

increased by 0.55%

Analysis last updated: Monday, July 20, 2026 at 07:10 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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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 Jul 17, 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

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0506
19.07***
α

ARCH

Response to squared shocks

0.0304
6.57***
β

GARCH

Volatility persistence

0.8467
199.75***
γ

leverage

Additional response to negative shocks

0.1625
13.47***

Persistence:

0.958

Half-life:

16 days