V-Lab
L1 Global Long Short Fund Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
7,683.12
decreased by 286.99
1 Week
7,073.95
decreased by 896.16
1 Month
8,244.40
increased by 274.29
Analysis last updated: Friday, September 11, 2026 at 05:53 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 29, 1994 to Sep 4, 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 28 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.7654 | 7.35*** |
| αARCH | 0.1024 | 12.20*** |
| βGARCH | 0.8732 | 88.19*** |
Spline Coefficients
K=5
| γ1 | -0.0660 | -4.94*** |
| γ2 | 0.1254 | 6.16*** |
| γ3 | -0.1188 | -8.21*** |
| γ4 | 0.1152 | 7.93*** |
| γ5 | -0.1302 | -6.93*** |
0.976
Persistence28d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7654 | 7.35*** |
α ARCH Response to squared shocks | 0.1024 | 12.20*** |
β GARCH Volatility persistence | 0.8732 | 88.19*** |
Spline Coefficients
K=5
| γ1 | -0.0660 | -4.94*** |
| γ2 | 0.1254 | 6.16*** |
| γ3 | -0.1188 | -8.21*** |
| γ4 | 0.1152 | 7.93*** |
| γ5 | -0.1302 | -6.93*** |
Persistence:
0.976
Half-life:
28 days
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