V-Lab
Zhengye Biotechnology Holding Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 1st, 2026
1 Day
1,540,532.00
increased by 421,186.00
1 Week
1,326,075.62
increased by 206,729.62
1 Month
668,858.82
decreased by 450,487.18
Analysis last updated: Wednesday, September 30, 2026 at 09:46 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 7, 2025 to Sep 25, 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 9 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 | 1.4670 | 3.16*** |
| αARCH | 0.4796 | 6.26*** |
| βGARCH | 0.4457 | 6.30*** |
Spline Coefficients
K=2
| γ1 | 12.1745 | 7.67*** |
| γ2 | -24.8913 | -8.13*** |
0.925
Persistence9d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4670 | 3.16*** |
α ARCH Response to squared shocks | 0.4796 | 6.26*** |
β GARCH Volatility persistence | 0.4457 | 6.30*** |
Spline Coefficients
K=2
| γ1 | 12.1745 | 7.67*** |
| γ2 | -24.8913 | -8.13*** |
Persistence:
0.925
Half-life:
9 days
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