V-Lab
Montanaro European Smaller Cos Trust PLC Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, September 30th, 2026
1 Day
21,574.58
decreased by 3,521.21
1 Week
26,478.44
increased by 1,382.65
1 Month
38,908.09
increased by 13,812.30
Analysis last updated: Wednesday, September 30, 2026 at 09:02 PM UTC
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How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 2007 to Sep 25, 2026Model Insight
With persistence 0.993, illiquidity shocks have a half-life of 104 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 0.993, shock half-life ~104 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1592 | 0.89 |
| αARCH | 0.3380 | 3.34*** |
| βGARCH | 0.6553 | 7.33*** |
Spline Coefficients
K=9
| γ1 | -1.6651 | -2.86*** |
| γ2 | 1.7439 | 1.96** |
| γ3 | 0.3265 | 0.67 |
| γ4 | -0.3274 | -0.77 |
| γ5 | -0.7437 | -1.21 |
| γ6 | 0.9816 | 1.72* |
| γ7 | 0.0319 | 0.09 |
| γ8 | -0.7147 | -2.86*** |
| γ9 | 0.7443 | 1.54 |
0.993
Persistence104d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1592 | 0.89 |
α ARCH Response to squared shocks | 0.3380 | 3.34*** |
β GARCH Volatility persistence | 0.6553 | 7.33*** |
Spline Coefficients
K=9
| γ1 | -1.6651 | -2.86*** |
| γ2 | 1.7439 | 1.96** |
| γ3 | 0.3265 | 0.67 |
| γ4 | -0.3274 | -0.77 |
| γ5 | -0.7437 | -1.21 |
| γ6 | 0.9816 | 1.72* |
| γ7 | 0.0319 | 0.09 |
| γ8 | -0.7147 | -2.86*** |
| γ9 | 0.7443 | 1.54 |
Persistence:
0.993
Half-life:
104 days
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