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V-Lab

Catalyst Media Group PLC Asy. MEM Volatility Analysis

Volatility prediction for Monday, September 7th, 2026

1 Day

42.23%

increased by 0.10%

1 Week

45.04%

increased by 2.91%

1 Month

49.20%

increased by 7.07%

Analysis last updated: Sunday, September 6, 2026 at 02:09 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Catalyst Media Group PLC AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 2007 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.

μ

AMEM Model

Tap to view equation

Shock decay: Shocks decay with a 4-day half-life
ParamValuet-stat
ωconst1.7049
2.39**
αARCH0.2543
3.35***
βGARCH0.6208
10.03***
γleverage-0.0709
-0.52

0.840

Persistence

4d

Half-life
μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7049
2.39**
α

ARCH

Response to squared shocks

0.2543
3.35***
β

GARCH

Volatility persistence

0.6208
10.03***
γ

leverage

Additional response to negative shocks

-0.0709
-0.52

Persistence:

0.840

Half-life:

4 days