V-Lab
Deutsche Borse TecDAX Total Return Selection Index MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
17.36%
increased by 1.50%
1 Week
17.63%
increased by 1.77%
1 Month
18.13%
increased by 2.27%
Analysis last updated: Friday, September 18, 2026 at 08:07 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1998 to Sep 18, 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
MF2-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0115 | 1.35 |
| βGARCH | 0.8130 | 49.31*** |
| γleverage | 0.1640 | 10.60*** |
| λ₁tau intercept | 0.0092 | 2.43** |
| λ₂forecast adj. | 0.0421 | 4.75*** |
| λ₃tau persistence | 0.9538 | 99.22*** |
0.906
Persistence7d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0115 | 1.35 |
β GARCH Volatility persistence | 0.8130 | 49.31*** |
γ leverage Additional response to negative shocks | 0.1640 | 10.60*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0092 | 2.43** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0421 | 4.75*** |
λ₃ tau persistence Long-term factor persistence | 0.9538 | 99.22*** |
Persistence:
0.906
Half-life:
7 days
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