V-Lab
Lena Lighting SA MF2-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
20.89%
decreased by 1.33%
1 Week
20.92%
decreased by 1.30%
1 Month
20.90%
decreased by 1.32%
Analysis last updated: Sunday, July 26, 2026 at 05:34 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 6, 2005 to Jul 24, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 38% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 26 | |
α ARCH Response to squared shocks | 0.1203 | 17.56*** |
β GARCH Volatility persistence | 0.6236 | 33.64*** |
γ leverage Additional response to negative shocks | 0.0452 | 4.59*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0005 | 0.13 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0047 | 1.57 |
λ₃ tau persistence Long-term factor persistence | 0.9950 | 252.93*** |
Persistence:
0.766
Half-life:
3 days
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