V-Lab
Deutsche Borse SDAX Performance Index (XETRA) GJR-GARCH Volatility Analysis
Volatility prediction for Friday, August 7th, 2026
1 Day
13.04%
decreased by 0.59%
1 Week
13.45%
decreased by 0.18%
1 Month
14.62%
increased by 0.99%
Analysis last updated: Thursday, August 6, 2026 at 07:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 5, 2013 to Jul 31, 2026Model 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
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0504 | 19.04*** |
α ARCH Response to squared shocks | 0.0302 | 6.56*** |
β GARCH Volatility persistence | 0.8474 | 200.66*** |
γ leverage Additional response to negative shocks | 0.1615 | 13.44*** |
Persistence:
0.958
Half-life:
16 days
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