Merck KGaA MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, October 15th, 2026
1 Day
27.90%
increased by 1.84%
1 Week
27.62%
increased by 1.56%
1 Month
27.38%
increased by 1.32%
Analysis last updated: Thursday, October 15, 2026 at 07:04 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 20, 1995 to Oct 9, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 145% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 145% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 31 | |
| αARCH | 0.0713 | 4.45*** |
| βGARCH | 0.6528 | 13.91*** |
| γleverage | 0.1031 | 3.18*** |
| λ₁tau intercept | 0.0079 | 1.85* |
| λ₂forecast adj. | 0.0108 | 3.72*** |
| λ₃tau persistence | 0.9870 | 264.61*** |
0.776
Persistence3d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 31 | |
α ARCH Response to squared shocks | 0.0713 | 4.45*** |
β GARCH Volatility persistence | 0.6528 | 13.91*** |
γ leverage Additional response to negative shocks | 0.1031 | 3.18*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0079 | 1.85* |
λ₂ forecast adj. Forecast performance sensitivity | 0.0108 | 3.72*** |
λ₃ tau persistence Long-term factor persistence | 0.9870 | 264.61*** |
Persistence:
0.776
Half-life:
3 days
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