V-Lab
CRRC Corp 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 11th, 2026
1 Day
13.46
increased by 1.52
1 Week
13.14
increased by 1.20
1 Month
13.67
increased by 1.73
Analysis last updated: Friday, September 11, 2026 at 06:15 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Aug 18, 2008 to Sep 4, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 17328 trading days (~68.8 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 ~17328 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9729 | 2.81*** |
| αARCH | 0.2164 | 0.17 |
| βGARCH | 0.7835 | 0.61 |
Spline Coefficients
K=7
| γ1 | 0.7513 | 0.06 |
| γ2 | -2.0697 | -0.12 |
| γ3 | 0.8871 | 0.12 |
| γ4 | 2.2430 | 0.22 |
| γ5 | -2.6193 | -0.26 |
| γ6 | 0.7528 | 0.15 |
| γ7 | 0.0674 | 0.03 |
1.000
Persistence17328d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9729 | 2.81*** |
α ARCH Response to squared shocks | 0.2164 | 0.17 |
β GARCH Volatility persistence | 0.7835 | 0.61 |
Spline Coefficients
K=7
| γ1 | 0.7513 | 0.06 |
| γ2 | -2.0697 | -0.12 |
| γ3 | 0.8871 | 0.12 |
| γ4 | 2.2430 | 0.22 |
| γ5 | -2.6193 | -0.26 |
| γ6 | 0.7528 | 0.15 |
| γ7 | 0.0674 | 0.03 |
Persistence:
1.000
Half-life:
17328 days
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