V-Lab
Lena Lighting SA EGARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
23.14%
increased by 0.04%
1 Week
23.60%
increased by 0.50%
1 Month
25.40%
increased by 2.30%
Analysis last updated: Sunday, August 9, 2026 at 12:02 AM 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 52 trading days, meaning a shock loses half its impact after approximately 52 days.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0296 | 9.75*** |
α ARCH Response to squared shocks | 0.0828 | 9.22*** |
β GARCH Volatility persistence | 0.9868 | 649.67*** |
γ leverage Additional response to negative shocks | -0.0048 | -0.81 |
Persistence:
0.987
Half-life:
52 days
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