V-Lab
Big Yellow Group PLC ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
2,946.28
1 Week
3,119.13
1 Month
2,648.22
Analysis last updated: Sunday, September 20, 2026 at 03:09 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 5, 2000 to Sep 18, 2026Model Insight
Illiquidity shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.
ILLIQ-MFMEM Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 46 | |
| αARCH | 0.0484 | 7.07*** |
| βGARCH | 0.9053 | 52.94*** |
| γleverage | -0.0484 | -1.04 |
| λ₁tau intercept | 8.8537 | 0.94 |
| λ₂forecast adj. | 0.0592 | 2.71*** |
| λ₃tau persistence | 0.9384 | 41.16*** |
0.930
Persistence9d
Half-lifeILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 46 | |
α ARCH Response to squared shocks | 0.0484 | 7.07*** |
β GARCH Volatility persistence | 0.9053 | 52.94*** |
γ leverage Additional response to negative shocks | -0.0484 | -1.04 |
λ₁ tau intercept Baseline long-term coefficient | 8.8537 | 0.94 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0592 | 2.71*** |
λ₃ tau persistence Long-term factor persistence | 0.9384 | 41.16*** |
Persistence:
0.930
Half-life:
9 days
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