V-Lab
Lena Lighting SA AGARCH Volatility Analysis
Volatility prediction for Tuesday, August 11th, 2026
1 Day
23.51%
unchanged at 0.00%
1 Week
23.93%
increased by 0.42%
1 Month
25.41%
increased by 1.90%
Analysis last updated: Tuesday, August 11, 2026 at 09:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 6, 2005 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 46 trading days, meaning a shock loses half its impact after approximately 46 days.
σ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0724 | 11.72*** |
α ARCH Response to squared shocks | 0.0416 | 13.19*** |
β GARCH Volatility persistence | 0.9434 | 261.70*** |
γ leverage Additional response to negative shocks | 0.1573 | 1.32 |
Persistence:
0.985
Half-life:
46 days
Other Lena Lighting SA Analyses
Other AGARCH Analyses on International Equities