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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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Lena Lighting SA EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 6, 2005 to Aug 7, 2026

Model 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

ParameterValuet-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