V-Lab
Harima-Kyowa Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, September 24th, 2026
1 Day
5,320.57
decreased by 135.55
1 Week
5,388.34
decreased by 67.78
1 Month
3,450.82
decreased by 2,005.30
Analysis last updated: Sunday, September 20, 2026 at 12:59 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 22, 1999 to Sep 18, 2026Model Insight
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 12 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.5712 | 4.71*** |
| αARCH | 0.1152 | 8.36*** |
| βGARCH | 0.8301 | 40.69*** |
Spline Coefficients
K=9
| γ1 | 0.0926 | 0.53 |
| γ2 | 0.1767 | 0.66 |
| γ3 | -0.5254 | -2.82*** |
| γ4 | 0.3321 | 1.82* |
| γ5 | -0.3123 | -1.54 |
| γ6 | 0.8055 | 4.95*** |
| γ7 | -1.1251 | -8.94*** |
| γ8 | 0.8314 | 4.31*** |
| γ9 | -0.3111 | -0.96 |
0.945
Persistence12d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.5712 | 4.71*** |
α ARCH Response to squared shocks | 0.1152 | 8.36*** |
β GARCH Volatility persistence | 0.8301 | 40.69*** |
Spline Coefficients
K=9
| γ1 | 0.0926 | 0.53 |
| γ2 | 0.1767 | 0.66 |
| γ3 | -0.5254 | -2.82*** |
| γ4 | 0.3321 | 1.82* |
| γ5 | -0.3123 | -1.54 |
| γ6 | 0.8055 | 4.95*** |
| γ7 | -1.1251 | -8.94*** |
| γ8 | 0.8314 | 4.31*** |
| γ9 | -0.3111 | -0.96 |
Persistence:
0.945
Half-life:
12 days
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