V-Lab
Deutsche Borse SDAX Performance Index (XETRA) EGARCH Volatility Analysis
Volatility prediction for Tuesday, September 29th, 2026
1 Day
15.43%
decreased by 0.75%
1 Week
15.58%
decreased by 0.60%
1 Month
16.03%
decreased by 0.15%
Analysis last updated: Monday, September 28, 2026 at 07:10 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 5, 2013 to Sep 25, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 344% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
Leverage: Negative returns increase volatility 344% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0074 | 0.55 |
| αARCH | 0.1824 | 7.48*** |
| βGARCH | 0.9564 | 108.24*** |
| γleverage | -0.1154 | -5.13*** |
0.956
Persistence16d
Half-lifeσ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0074 | 0.55 |
α ARCH Response to squared shocks | 0.1824 | 7.48*** |
β GARCH Volatility persistence | 0.9564 | 108.24*** |
γ leverage Additional response to negative shocks | -0.1154 | -5.13*** |
Persistence:
0.956
Half-life:
16 days
Other Deutsche Borse SDAX Performance Index (XETRA) Analyses
Other EGARCH Analyses on Equity Indices