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Access Engineering Ltd Spline 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 24th, 2026

1 Day

3,923.98

decreased by 751.02

1 Week

3,473.47

decreased by 1,201.53

1 Month

2,884.86

decreased by 1,790.14

Analysis last updated: Sunday, August 23, 2026 at 02:08 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Access Engineering Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Mar 27, 2012 to Aug 21, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 99021 trading days (~392.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.1314
0.00
α

ARCH

Response to squared shocks

0.2478
0.00
β

GARCH

Volatility persistence

0.7522
0.00
γi Spline Coefficients
K=8
γ1-1.2294
0.00
γ20.4687
0.00
γ32.2223
0.00
γ4-3.2104
0.00
γ52.9404
0.00
γ6-1.0684
-0.01
γ7-1.3782
0.00
γ83.3921
0.01

Persistence:

1.000

Half-life:

99021 days