V-Lab
Town Centre Securities PLC Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
61,595,120.00
increased by 1,152,220.00
1 Week
61,142,284.00
increased by 699,384.00
1 Month
122,127,632.63
increased by 61,684,732.63
Analysis last updated: Sunday, September 20, 2026 at 04:11 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 15, 1993 to Sep 18, 2026Model Insight
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 1 trading day.
μ
ILLIQ-SMEM Model
Tap to view equation
Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1348 | 4.00*** |
| αARCH | 0.3409 | 1.94* |
| βGARCH | 0.1051 | 1.14 |
Spline Coefficients
K=10
| γ1 | -0.3113 | -1.03 |
| γ2 | 0.3663 | 0.83 |
| γ3 | 0.0663 | 0.32 |
| γ4 | 0.1739 | 1.08 |
| γ5 | -0.8886 | -3.96*** |
| γ6 | 0.7263 | 2.52** |
| γ7 | 0.1938 | 0.79 |
| γ8 | -0.6717 | -2.79*** |
| γ9 | 0.5876 | 2.18** |
| γ10 | -0.4947 | -1.45 |
0.446
Persistence1d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1348 | 4.00*** |
α ARCH Response to squared shocks | 0.3409 | 1.94* |
β GARCH Volatility persistence | 0.1051 | 1.14 |
Spline Coefficients
K=10
| γ1 | -0.3113 | -1.03 |
| γ2 | 0.3663 | 0.83 |
| γ3 | 0.0663 | 0.32 |
| γ4 | 0.1739 | 1.08 |
| γ5 | -0.8886 | -3.96*** |
| γ6 | 0.7263 | 2.52** |
| γ7 | 0.1938 | 0.79 |
| γ8 | -0.6717 | -2.79*** |
| γ9 | 0.5876 | 2.18** |
| γ10 | -0.4947 | -1.45 |
Persistence:
0.446
Half-life:
1 days
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