Nippon Chemiphar Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, November 16th, 2026
1 Day
8,724.48
increased by 4,126.96
1 Week
5,122.55
increased by 525.03
1 Month
5,172.46
increased by 574.94
Analysis last updated: Saturday, November 14, 2026 at 11:28 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 1, 1992 to Nov 13, 2026Model Insight
With persistence 0.996, illiquidity shocks have a half-life of 178 trading days (~0.7 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 0.996, shock half-life ~178 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.8081 | 4.12*** |
| αARCH | 0.1685 | 20.78*** |
| βGARCH | 0.8276 | 102.26*** |
Spline Coefficients
K=4
| γ1 | -0.1007 | -7.97*** |
| γ2 | 0.1450 | 7.99*** |
| γ3 | -0.0511 | -4.19*** |
| γ4 | 0.0316 | 1.50 |
0.996
Persistence178d
Half-lifeμ
ILLIQ-SMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8081 | 4.12*** |
α ARCH Response to squared shocks | 0.1685 | 20.78*** |
β GARCH Volatility persistence | 0.8276 | 102.26*** |
Spline Coefficients
K=4
| γ1 | -0.1007 | -7.97*** |
| γ2 | 0.1450 | 7.99*** |
| γ3 | -0.0511 | -4.19*** |
| γ4 | 0.0316 | 1.50 |
Persistence:
0.996
Half-life:
178 days
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