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V-Lab

Shanghai Bao Pharmaceuticals Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, July 27th, 2026

1 Day

1,857.11

increased by 157.19

1 Week

2,148.90

increased by 448.98

1 Month

1,560.06

decreased by 139.86

Analysis last updated: Sunday, July 26, 2026 at 12:35 AM UTC

Date Range:

from

to

6M ·

All

graph of Shanghai Bao Pharmaceuticals Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Dec 10, 2025 to Jul 24, 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 3 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.2789
4.78***
α

ARCH

Response to squared shocks

0.2192
2.33**
β

GARCH

Volatility persistence

0.5511
2.86***
γi Spline Coefficients
K=1
γ17.6791
1.36

Persistence:

0.770

Half-life:

3 days