Barratt Redrow PLC Asymmetric ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Wednesday, October 21st, 2026
1 Day
1,064.59
1 Week
1,111.98
1 Month
1,086.40
Analysis last updated: Wednesday, October 21, 2026 at 08:43 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 11, 1991 to Oct 16, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 316% more after negative returns
ILLIQ-AMEM Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.3556 | 1.00 |
| αARCH | 0.0235 | 2.75*** |
| βGARCH | 0.9394 | 209.87*** |
| γleverage | 0.0742 | 3.38*** |
1.000
Persistence1386294d
Half-lifeILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.3556 | 1.00 |
α ARCH Response to squared shocks | 0.0235 | 2.75*** |
β GARCH Volatility persistence | 0.9394 | 209.87*** |
γ leverage Additional response to negative shocks | 0.0742 | 3.38*** |
Persistence:
1.000
Half-life:
1386294 days
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