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V-Lab

Deutsche Borse TecDAX Total Return Selection Index GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

15.29%

decreased by 0.33%

1 Week

15.70%

increased by 0.08%

1 Month

17.11%

increased by 1.49%

Analysis last updated: Tuesday, September 8, 2026 at 07:11 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Deutsche Borse TecDAX Total Return Selection Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1998 to Sep 4, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 150% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 150% more than positive returns
ParamValuet-stat
ωconst0.0369
5.97***
αARCH0.0576
4.52***
βGARCH0.8867
108.44***
γleverage0.0864
3.51***

0.987

Persistence

55d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0369
5.97***
α

ARCH

Response to squared shocks

0.0576
4.52***
β

GARCH

Volatility persistence

0.8867
108.44***
γ

leverage

Additional response to negative shocks

0.0864
3.51***

Persistence:

0.987

Half-life:

55 days