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Sierra Cables PLC Asymmetric ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Thursday, October 29th, 2026

1 Day

1,762.10

decreased by 52.87

1 Week

1,782.11

decreased by 32.86

1 Month

961.40

decreased by 853.57

Analysis last updated: Friday, October 30, 2026 at 12:08 AM UTC

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Date Range:

from

10/28/2024

to

10/28/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sierra Cables PLC ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jul 13, 2010 to Oct 23, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000 ≥ 1, shocks do not decay
ParamValuet-stat
ωconst1.0599
0.02
αARCH0.0238
0.85
βGARCH0.9491
183.01***
γleverage0.0543
0.51

1.000

Persistence

-

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0599
0.02
α

ARCH

Response to squared shocks

0.0238
0.85
β

GARCH

Volatility persistence

0.9491
183.01***
γ

leverage

Additional response to negative shocks

0.0543
0.51

Persistence:

1.000

Half-life:

-