V-Lab
Jorudan 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 Tuesday, September 8th, 2026
1 Day
4,195.45
decreased by 101.20
1 Week
4,687.89
increased by 391.24
1 Month
5,127.81
increased by 831.16
Analysis last updated: Tuesday, September 8, 2026 at 08:59 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 21, 2003 to Sep 4, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 86643 trading days (~343.8 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 ~86643 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.7490 | 2.18** |
| αARCH | 0.1575 | 0.05 |
| βGARCH | 0.8425 | 0.27 |
Spline Coefficients
K=3
| γ1 | -0.1811 | -0.38 |
| γ2 | 0.1555 | 0.19 |
| γ3 | 0.1438 | 0.17 |
1.000
Persistence86643d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7490 | 2.18** |
α ARCH Response to squared shocks | 0.1575 | 0.05 |
β GARCH Volatility persistence | 0.8425 | 0.27 |
Spline Coefficients
K=3
| γ1 | -0.1811 | -0.38 |
| γ2 | 0.1555 | 0.19 |
| γ3 | 0.1438 | 0.17 |
Persistence:
1.000
Half-life:
86643 days
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