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V-Lab

Guangzhou Baiyunshan Pharmaceutical Holdings Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Friday, August 28th, 2026

1 Day

51.84

decreased by 14.74

1 Week

62.28

decreased by 4.30

1 Month

40.34

decreased by 26.24

Analysis last updated: Friday, August 28, 2026 at 06:04 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Guangzhou Baiyunshan Pharmaceutical Holdings Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Feb 23, 2001 to Aug 21, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 2257 trading days (~9.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9151
0.67
α

ARCH

Response to squared shocks

0.2431
17.55***
β

GARCH

Volatility persistence

0.7566
54.71***
γi Spline Coefficients
K=10
γ1-1.5301
-1.24
γ25.6117
1.85*
γ3-8.2916
-1.77*
γ46.5133
1.24
γ5-3.1869
-0.93
γ61.1670
1.23
γ7-0.3863
-0.81
γ80.2094
0.84
γ9-0.2150
-0.94
γ100.1532
0.40

Persistence:

1.000

Half-life:

2257 days