V-Lab
Katana Capital Ltd/Fund Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, September 30th, 2026
1 Day
140,204,600.00
decreased by 3,213,300.00
1 Week
141,811,250.00
decreased by 1,606,650.00
1 Month
146,040,125.00
increased by 2,622,225.00
Analysis last updated: Wednesday, September 30, 2026 at 06:09 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 27, 2005 to Sep 28, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 537 trading days (~2.1 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 0.999, shock half-life ~537 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.4278 | 1.72* |
| αARCH | 0.1610 | 4.76*** |
| βGARCH | 0.8377 | 24.89*** |
Spline Coefficients
K=10
| γ1 | 0.0243 | 0.01 |
| γ2 | -2.4002 | -0.44 |
| γ3 | 5.7306 | 1.96** |
| γ4 | -10.2559 | -2.69*** |
| γ5 | 17.2142 | 2.42** |
| γ6 | -16.7658 | -2.53** |
| γ7 | 8.6396 | 2.58*** |
| γ8 | -1.2954 | -0.54 |
| γ9 | -2.9710 | -1.08 |
| γ10 | 2.6497 | 0.92 |
0.999
Persistence537d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4278 | 1.72* |
α ARCH Response to squared shocks | 0.1610 | 4.76*** |
β GARCH Volatility persistence | 0.8377 | 24.89*** |
Spline Coefficients
K=10
| γ1 | 0.0243 | 0.01 |
| γ2 | -2.4002 | -0.44 |
| γ3 | 5.7306 | 1.96** |
| γ4 | -10.2559 | -2.69*** |
| γ5 | 17.2142 | 2.42** |
| γ6 | -16.7658 | -2.53** |
| γ7 | 8.6396 | 2.58*** |
| γ8 | -1.2954 | -0.54 |
| γ9 | -2.9710 | -1.08 |
| γ10 | 2.6497 | 0.92 |
Persistence:
0.999
Half-life:
537 days
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