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Derwent London PLC Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, October 27th, 2026

1 Day

2,201.83

decreased by 22.44

1 Week

2,242.83

increased by 18.56

1 Month

2,323.31

increased by 99.04

Analysis last updated: Tuesday, October 27, 2026 at 09:35 PM UTC

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Date Range:

from

10/26/2024

to

10/26/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Derwent London PLC ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jun 9, 1998 to Oct 23, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 1030 trading days (~4.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~1030 days
ParamValuet-stat
ωconst1.4682
0.56
αARCH0.0095
2.29**
βGARCH0.9840
247.49***
γleverage0.0117
1.53

0.999

Persistence

1030d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4682
0.56
α

ARCH

Response to squared shocks

0.0095
2.29**
β

GARCH

Volatility persistence

0.9840
247.49***
γ

leverage

Additional response to negative shocks

0.0117
1.53

Persistence:

0.999

Half-life:

1030 days