V-Lab
Sugimura Warehouse Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, September 24th, 2026
1 Day
2,875.33
decreased by 189.26
1 Week
2,969.96
decreased by 94.63
1 Month
3,923.75
increased by 859.16
Analysis last updated: Saturday, September 19, 2026 at 11:33 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 29, 1999 to Sep 18, 2026Model Insight
With persistence 0.994, illiquidity shocks have a half-life of 115 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 0.994, shock half-life ~115 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.2008 | 5.36*** |
| αARCH | 0.1033 | 10.48*** |
| βGARCH | 0.8907 | 96.03*** |
Spline Coefficients
K=2
| γ1 | -0.0981 | -5.35*** |
| γ2 | 0.2425 | 6.26*** |
0.994
Persistence115d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.2008 | 5.36*** |
α ARCH Response to squared shocks | 0.1033 | 10.48*** |
β GARCH Volatility persistence | 0.8907 | 96.03*** |
Spline Coefficients
K=2
| γ1 | -0.0981 | -5.35*** |
| γ2 | 0.2425 | 6.26*** |
Persistence:
0.994
Half-life:
115 days
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