V-Lab
Yamashita Health Care Hldgs Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 8th, 2026
1 Day
5,600.74
decreased by 917.58
1 Week
6,819.07
increased by 300.75
1 Month
10,891.91
increased by 4,373.59
Analysis last updated: Tuesday, September 8, 2026 at 09:10 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Feb 23, 2006 to Sep 4, 2026Model Insight
With persistence 0.994, illiquidity shocks have a half-life of 106 trading days (~0.4 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 ~106 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9195 | 5.08*** |
| αARCH | 0.1697 | 13.62*** |
| βGARCH | 0.8238 | 65.65*** |
Spline Coefficients
K=3
| γ1 | -0.1324 | -5.80*** |
| γ2 | 0.1892 | 5.27*** |
| γ3 | -0.0288 | -0.86 |
0.994
Persistence106d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9195 | 5.08*** |
α ARCH Response to squared shocks | 0.1697 | 13.62*** |
β GARCH Volatility persistence | 0.8238 | 65.65*** |
Spline Coefficients
K=3
| γ1 | -0.1324 | -5.80*** |
| γ2 | 0.1892 | 5.27*** |
| γ3 | -0.0288 | -0.86 |
Persistence:
0.994
Half-life:
106 days
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