V-Lab
Tsi Co., Ltd. Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
95.34
decreased by 27.52
1 Week
101.92
decreased by 20.94
1 Month
148.18
increased by 25.32
Analysis last updated: Friday, September 11, 2026 at 08:40 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 30, 2017 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 18 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 | 8.5963 | 3.04*** |
| αARCH | 0.3429 | 6.38*** |
| βGARCH | 0.6185 | 12.04*** |
Spline Coefficients
K=9
| γ1 | 5.6919 | 1.65* |
| γ2 | -33.0266 | -4.45*** |
| γ3 | 68.0668 | 8.29*** |
| γ4 | -56.7877 | -9.31*** |
| γ5 | 14.9929 | 4.96*** |
| γ6 | 4.6301 | 1.97** |
| γ7 | -6.7929 | -3.77*** |
| γ8 | 3.5951 | 2.33** |
| γ9 | 2.7436 | 1.21 |
0.961
Persistence18d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 8.5963 | 3.04*** |
α ARCH Response to squared shocks | 0.3429 | 6.38*** |
β GARCH Volatility persistence | 0.6185 | 12.04*** |
Spline Coefficients
K=9
| γ1 | 5.6919 | 1.65* |
| γ2 | -33.0266 | -4.45*** |
| γ3 | 68.0668 | 8.29*** |
| γ4 | -56.7877 | -9.31*** |
| γ5 | 14.9929 | 4.96*** |
| γ6 | 4.6301 | 1.97** |
| γ7 | -6.7929 | -3.77*** |
| γ8 | 3.5951 | 2.33** |
| γ9 | 2.7436 | 1.21 |
Persistence:
0.961
Half-life:
18 days
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