V-Lab
Catalyst Media Group PLC Asy. Power MEM Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
44.99%
decreased by 1.23%
1 Week
46.37%
increased by 0.15%
1 Month
49.18%
increased by 2.96%
Analysis last updated: Wednesday, August 5, 2026 at 08:26 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 2007 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days.
μ
APMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0000 | 5.03*** |
α ARCH Response to squared shocks | 0.1597 | 9.08*** |
β GARCH Volatility persistence | 0.7403 | 49.63*** |
γ leverage Additional response to negative shocks | -0.0527 | -1.67* |
δ power Transformation power | 1.9022 | 14.46*** |
Persistence:
0.895
Half-life:
6 days
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