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British Land Co PLC/The Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

994.95

increased by 0.16

1 Week

1,018.98

increased by 24.19

1 Month

908.15

decreased by 86.64

Analysis last updated: Sunday, September 20, 2026 at 03:38 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of British Land Co PLC/The ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 18, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 2625 trading days (~10.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 209% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~2625 daysAsymmetry: Illiquidity rises 209% more after negative returns
ParamValuet-stat
ωconst1.0675
1.14
αARCH0.0162
2.94***
βGARCH0.9666
240.68***
γleverage0.0339
3.66***

1.000

Persistence

2625d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0675
1.14
α

ARCH

Response to squared shocks

0.0162
2.94***
β

GARCH

Volatility persistence

0.9666
240.68***
γ

leverage

Additional response to negative shocks

0.0339
3.66***

Persistence:

1.000

Half-life:

2625 days