V-Lab
Cellnex Telecom SAU MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
26.54%
decreased by 0.88%
1 Week
27.29%
decreased by 0.13%
1 Month
27.28%
decreased by 0.14%
Analysis last updated: Friday, September 11, 2026 at 09:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 7, 2015 to Sep 4, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 253% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 253% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 31 | |
| αARCH | 0.0419 | 2.08** |
| βGARCH | 0.7451 | 13.09*** |
| γleverage | 0.1060 | 3.63*** |
| λ₁tau intercept | 1.2925 | 1.73* |
| λ₂forecast adj. | 0.5657 | 2.02** |
| λ₃tau persistence | 0.0000 | 0.00 |
0.840
Persistence4d
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 | 0.0419 | 2.08** |
β GARCH Volatility persistence | 0.7451 | 13.09*** |
γ leverage Additional response to negative shocks | 0.1060 | 3.63*** |
λ₁ tau intercept Baseline long-term coefficient | 1.2925 | 1.73* |
λ₂ forecast adj. Forecast performance sensitivity | 0.5657 | 2.02** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.840
Half-life:
4 days
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