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Viomi Technology Co Ltd Asymmetric ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Tuesday, August 25th, 2026

1 Day

373,848.10

decreased by 19,235.80

1 Week

385,640.14

decreased by 7,443.76

1 Month

485,156.47

increased by 92,072.57

Analysis last updated: Monday, August 24, 2026 at 09:35 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Viomi Technology Co Ltd ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Sep 25, 2018 to Aug 21, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 46% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
0.12
α

ARCH

Response to squared shocks

0.1001
12.88***
β

GARCH

Volatility persistence

0.8768
297.11***
γ

leverage

Additional response to negative shocks

0.0463
3.54***

Persistence:

1.000

Half-life:

1386294 days