V-Lab
Hamayuu Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, September 9th, 2026
1 Day
7,500.01
increased by 6,346.18
1 Week
2,263.17
increased by 1,109.34
1 Month
1,178.20
increased by 24.37
Analysis last updated: Wednesday, September 9, 2026 at 07:48 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 18, 2019 to Sep 4, 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 23 trading days.
μ
ILLIQ-SMEM Model
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Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9574 | 4.95*** |
| αARCH | 0.2057 | 8.87*** |
| βGARCH | 0.7641 | 30.43*** |
Spline Coefficients
K=2
| γ1 | -0.3658 | -4.40*** |
| γ2 | 0.5847 | 3.89*** |
0.970
Persistence23d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9574 | 4.95*** |
α ARCH Response to squared shocks | 0.2057 | 8.87*** |
β GARCH Volatility persistence | 0.7641 | 30.43*** |
Spline Coefficients
K=2
| γ1 | -0.3658 | -4.40*** |
| γ2 | 0.5847 | 3.89*** |
Persistence:
0.970
Half-life:
23 days
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