V-Lab
Deutsche Boerse AG German Stock Index DAX AGARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
16.68%
decreased by 1.02%
1 Week
16.95%
decreased by 0.75%
1 Month
17.81%
increased by 0.11%
Analysis last updated: Friday, September 11, 2026 at 08:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 11, 2026Model Insight
The news-impact curve is shifted (γ = 0.78) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.
σ
AGARCH Model
Tap to view equation
Asymmetry: negative returns raise volatility more
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0000 | 0.00 |
| αARCH | 0.0826 | 8.52*** |
| βGARCH | 0.8882 | 99.12*** |
| γleverage | 0.7824 | 5.76*** |
0.971
Persistence23d
Half-lifeσ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0000 | 0.00 |
α ARCH Response to squared shocks | 0.0826 | 8.52*** |
β GARCH Volatility persistence | 0.8882 | 99.12*** |
γ leverage Additional response to negative shocks | 0.7824 | 5.76*** |
Persistence:
0.971
Half-life:
23 days
Other Deutsche Boerse AG German Stock Index DAX Analyses
Other AGARCH Analyses on Equity Indices