V-Lab
Arich Enterprise 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 Monday, September 21st, 2026
1 Day
12,792.29
increased by 3,013.62
1 Week
10,887.91
increased by 1,109.24
1 Month
9,414.78
decreased by 363.89
Analysis last updated: Sunday, September 20, 2026 at 03:40 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 10, 2012 to Sep 18, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 115524 trading days (~458.4 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 ~115524 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9523 | 3.93*** |
| αARCH | 0.1591 | 0.03 |
| βGARCH | 0.8409 | 0.18 |
Spline Coefficients
K=2
| γ1 | -0.2204 | -0.02 |
| γ2 | 0.3507 | 0.03 |
1.000
Persistence115524d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9523 | 3.93*** |
α ARCH Response to squared shocks | 0.1591 | 0.03 |
β GARCH Volatility persistence | 0.8409 | 0.18 |
Spline Coefficients
K=2
| γ1 | -0.2204 | -0.02 |
| γ2 | 0.3507 | 0.03 |
Persistence:
1.000
Half-life:
115524 days
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