V-Lab
Cellnex Telecom SAU GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
30.37%
increased by 2.54%
1 Week
30.10%
increased by 2.27%
1 Month
29.33%
increased by 1.50%
Analysis last updated: Friday, July 24, 2026 at 08:08 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 7, 2015 to Jul 17, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 174% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1794 | 16.25*** |
α ARCH Response to squared shocks | 0.0493 | 9.60*** |
β GARCH Volatility persistence | 0.8493 | 128.73*** |
γ leverage Additional response to negative shocks | 0.0857 | 7.06*** |
Persistence:
0.941
Half-life:
11 days
Other Cellnex Telecom SAU Analyses
Other GJR-GARCH Analyses on International Equities