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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 Monday, August 31st, 2026

1 Day

859.46

decreased by 39.28

1 Week

901.29

increased by 2.55

1 Month

1,362.02

increased by 463.28

Analysis last updated: Sunday, August 30, 2026 at 02:27 AM UTC

Date Range:

from

to

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 Aug 28, 2026
Illiquid Asset

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

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.7881
0.02
α

ARCH

Response to squared shocks

0.0237
0.85
β

GARCH

Volatility persistence

0.9495
185.89***
γ

leverage

Additional response to negative shocks

0.0536
0.51

Persistence:

1.000

Half-life:

-