V-Lab
Deutsche Borse AG DAX Mid-Cap Index GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 7th, 2026
1 Day
15.43%
decreased by 0.89%
1 Week
15.60%
decreased by 0.72%
1 Month
16.16%
decreased by 0.16%
Analysis last updated: Friday, September 4, 2026 at 08:10 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 29, 1996 to Sep 4, 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
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0369 | 6.96*** |
| αARCH | 0.0359 | 3.25*** |
| βGARCH | 0.8560 | 91.85*** |
| γleverage | 0.1610 | 6.15*** |
0.972
Persistence25d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0369 | 6.96*** |
α ARCH Response to squared shocks | 0.0359 | 3.25*** |
β GARCH Volatility persistence | 0.8560 | 91.85*** |
γ leverage Additional response to negative shocks | 0.1610 | 6.15*** |
Persistence:
0.972
Half-life:
25 days
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