British Land Co PLC/The Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, October 27th, 2026
1 Day
880.49
decreased by 29.33
1 Week
919.09
increased by 9.27
1 Month
956.80
increased by 46.98
Analysis last updated: Tuesday, October 27, 2026 at 09:44 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 1, 1990 to Oct 23, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2596 trading days (~10.3 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
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High persistence: persistence 1.000, shock half-life ~2596 daysAsymmetry: Illiquidity rises 209% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0669 | 1.14 |
| αARCH | 0.0162 | 2.94*** |
| βGARCH | 0.9666 | 240.93*** |
| γleverage | 0.0339 | 3.66*** |
1.000
Persistence2596d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0669 | 1.14 |
α ARCH Response to squared shocks | 0.0162 | 2.94*** |
β GARCH Volatility persistence | 0.9666 | 240.93*** |
γ leverage Additional response to negative shocks | 0.0339 | 3.66*** |
Persistence:
1.000
Half-life:
2596 days
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