Skip to main content
V-Lab
V-Lab

Catalyst Media Group PLC MEM Volatility Analysis

Volatility prediction for Monday, September 7th, 2026

1 Day

41.63%

decreased by 0.04%

1 Week

44.81%

increased by 3.14%

1 Month

50.13%

increased by 8.46%

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 MEM

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 5 trading days, meaning a shock loses half its impact after approximately 5 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 5-day half-life
ParamValuet-stat
ωconst1.5361
1.61
αARCH0.2149
2.26**
βGARCH0.6523
10.87***

0.867

Persistence

5d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.5361
1.61
α

ARCH

Response to squared shocks

0.2149
2.26**
β

GARCH

Volatility persistence

0.6523
10.87***

Persistence:

0.867

Half-life:

5 days