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V-Lab

Catalyst Media Group PLC GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

52.14%

decreased by 1.18%

1 Week

52.19%

decreased by 1.13%

1 Month

52.37%

decreased by 0.95%

Analysis last updated: Sunday, August 23, 2026 at 02:26 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Catalyst Media Group PLC GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 2007 to Aug 21, 2026
Illiquid Asset

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 105% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2879
7.15***
α

ARCH

Response to squared shocks

0.0288
6.45***
β

GARCH

Volatility persistence

0.9305
143.63***
γ

leverage

Additional response to negative shocks

0.0301
2.97***

Persistence:

0.974

Half-life:

27 days