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V-Lab

DAX Volatility Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, August 21st, 2026

1 Day

76.16%

increased by 0.21%

1 Week

77.37%

increased by 1.42%

1 Month

80.54%

increased by 4.59%

Analysis last updated: Friday, August 21, 2026 at 08:16 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of DAX Volatility Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1992 to Apr 30, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 228% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.8660
24.90***
α

ARCH

Response to squared shocks

0.1354
24.21***
β

GARCH

Volatility persistence

0.8477
213.97***
γ

leverage

Additional response to negative shocks

-0.0940
-12.33***

Persistence:

0.936

Half-life:

10 days