Skip to main content
V-Lab

Lena Lighting SA MEM Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

19.53%

increased by 0.05%

1 Week

21.40%

increased by 1.92%

1 Month

26.40%

increased by 6.92%

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 MEM

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 17 trading days, meaning a shock loses half its impact after approximately 17 days.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2176
8.53***
α

ARCH

Response to squared shocks

0.1775
25.69***
β

GARCH

Volatility persistence

0.7834
170.53***

Persistence:

0.961

Half-life:

17 days