V-Lab
Sandi Properties Co Ltd Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Friday, September 18th, 2026
1 Day
8,310.19
increased by 642.09
1 Week
7,644.82
decreased by 23.28
1 Month
6,940.35
decreased by 727.75
Analysis last updated: Friday, September 18, 2026 at 08:58 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 23, 1994 to Sep 14, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 69314 trading days (~275.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
High persistence: persistence 1.000, shock half-life ~69314 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.8775 | 0.10 |
| αARCH | 0.1685 | 0.00 |
| βGARCH | 0.8315 | 0.01 |
Spline Coefficients
K=10
| γ1 | -0.1185 | 0.00 |
| γ2 | 0.8699 | 0.00 |
| γ3 | -1.3375 | -0.13 |
| γ4 | 0.4986 | 0.02 |
| γ5 | -0.2060 | -0.02 |
| γ6 | 0.9488 | 0.18 |
| γ7 | -1.2411 | -0.21 |
| γ8 | 0.7790 | 0.08 |
| γ9 | -0.2963 | -0.02 |
| γ10 | 0.6356 | 0.01 |
1.000
Persistence69314d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8775 | 0.10 |
α ARCH Response to squared shocks | 0.1685 | 0.00 |
β GARCH Volatility persistence | 0.8315 | 0.01 |
Spline Coefficients
K=10
| γ1 | -0.1185 | 0.00 |
| γ2 | 0.8699 | 0.00 |
| γ3 | -1.3375 | -0.13 |
| γ4 | 0.4986 | 0.02 |
| γ5 | -0.2060 | -0.02 |
| γ6 | 0.9488 | 0.18 |
| γ7 | -1.2411 | -0.21 |
| γ8 | 0.7790 | 0.08 |
| γ9 | -0.2963 | -0.02 |
| γ10 | 0.6356 | 0.01 |
Persistence:
1.000
Half-life:
69314 days
Other Sandi Properties Co Ltd Analyses
Other Spline ILLIQ Analyses on International Equities