V-Lab
Deutsche Bank AG APARCH Volatility Analysis
Volatility prediction for Friday, September 25th, 2026
1 Day
32.38%
1 Week
32.47%
1 Month
32.79%
Analysis last updated: Friday, September 25, 2026 at 08:05 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 18, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 92% more than equivalent positive returns. The volatility power δ = 1.22 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.
APARCH Model
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| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0304 | 4.46*** |
| αARCH | 0.0630 | 6.99*** |
| βGARCH | 0.9370 | 123.75*** |
| γleverage | 0.2610 | 2.93*** |
| δpower | 1.2196 | 7.18*** |
0.989
Persistence62d
Half-lifeAPARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0304 | 4.46*** |
α ARCH Response to squared shocks | 0.0630 | 6.99*** |
β GARCH Volatility persistence | 0.9370 | 123.75*** |
γ leverage Additional response to negative shocks | 0.2610 | 2.93*** |
δ power Transformation power | 1.2196 | 7.18*** |
Persistence:
0.989
Half-life:
62 days
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