Youzan Technology Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, October 21st, 2026
1 Day
6,467.76
increased by 270.03
1 Week
6,759.35
increased by 561.62
1 Month
5,265.71
decreased by 932.02
Analysis last updated: Wednesday, October 21, 2026 at 07:12 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 18, 2002 to Oct 16, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 629 trading days (~2.5 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 0.999, shock half-life ~629 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.7314 | 3.80*** |
| αARCH | 0.1693 | 8.55*** |
| βGARCH | 0.8296 | 40.87*** |
Spline Coefficients
K=9
| γ1 | -1.7327 | -2.07** |
| γ2 | 1.9530 | 1.62 |
| γ3 | 0.8670 | 1.20 |
| γ4 | -4.2487 | -3.25*** |
| γ5 | 6.7249 | 3.41*** |
| γ6 | -4.2309 | -2.21** |
| γ7 | 0.4468 | 0.27 |
| γ8 | -0.0837 | -0.11 |
| γ9 | 0.5926 | 1.23 |
0.999
Persistence629d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7314 | 3.80*** |
α ARCH Response to squared shocks | 0.1693 | 8.55*** |
β GARCH Volatility persistence | 0.8296 | 40.87*** |
Spline Coefficients
K=9
| γ1 | -1.7327 | -2.07** |
| γ2 | 1.9530 | 1.62 |
| γ3 | 0.8670 | 1.20 |
| γ4 | -4.2487 | -3.25*** |
| γ5 | 6.7249 | 3.41*** |
| γ6 | -4.2309 | -2.21** |
| γ7 | 0.4468 | 0.27 |
| γ8 | -0.0837 | -0.11 |
| γ9 | 0.5926 | 1.23 |
Persistence:
0.999
Half-life:
629 days
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