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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

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Date Range:

from

09/30/2024

to

09/30/2026

6M ·

1Y ·

All

graph of Zhengye Biotechnology Holding Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 7, 2025 to Sep 25, 2026

Model 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
ParamValuet-stat
ωconst1.4670
3.16***
αARCH0.4796
6.26***
βGARCH0.4457
6.30***
∑γi Spline Coefficients
K=2
γ112.1745
7.67***
γ2-24.8913
-8.13***

0.925

Persistence

9d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-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***
∑γi Spline Coefficients
K=2
γ112.1745
7.67***
γ2-24.8913
-8.13***

Persistence:

0.925

Half-life:

9 days