Deutsche Borse SDAX Performance Index (XETRA) GJR-GARCH Volatility Analysis
Volatility prediction for Friday, November 6th, 2026
1 Day
19.35%
increased by 1.23%
1 Week
19.20%
increased by 1.08%
1 Month
18.73%
increased by 0.61%
Analysis last updated: Thursday, November 5, 2026 at 09:28 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 5, 2013 to Oct 30, 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 | 0.0494 | 4.74*** |
| αARCH | 0.0300 | 1.64 |
| βGARCH | 0.8496 | 51.11*** |
| γleverage | 0.1582 | 3.33*** |
0.959
Persistence16d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0494 | 4.74*** |
α ARCH Response to squared shocks | 0.0300 | 1.64 |
β GARCH Volatility persistence | 0.8496 | 51.11*** |
γ leverage Additional response to negative shocks | 0.1582 | 3.33*** |
Persistence:
0.959
Half-life:
16 days
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