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V-Lab

Qing Song Health Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, August 27th, 2026

1 Day

3,076.68

decreased by 185.49

1 Week

3,096.89

decreased by 165.28

1 Month

3,982.40

increased by 720.23

Analysis last updated: Thursday, August 27, 2026 at 08:27 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Qing Song Health Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Dec 27, 2022 to Aug 21, 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 26 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.6206
3.39***
α

ARCH

Response to squared shocks

0.0964
3.05***
β

GARCH

Volatility persistence

0.8776
18.63***
γi Spline Coefficients
K=1
γ1-0.1369
-0.90

Persistence:

0.974

Half-life:

26 days