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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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Lena Lighting SA AGARCH

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 46 trading days, meaning a shock loses half its impact after approximately 46 days.

σ

AGARCH Model

Tap to view equation

ParameterValuet-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