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Shanghai LongYun Media Group 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 Monday, August 3rd, 2026

1 Day

1,679.01

decreased by 254.10

1 Week

1,934.31

increased by 1.20

1 Month

1,892.22

decreased by 40.89

Analysis last updated: Sunday, August 2, 2026 at 03:21 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Shanghai LongYun Media Group Co., Ltd. ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Mar 24, 2015 to Jul 31, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 693147 trading days (~2750.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: illiquidity responds almost entirely to negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
1.97**
α

ARCH

Response to squared shocks

0.0460
6.64***
β

GARCH

Volatility persistence

0.8162
71.77***
γ

leverage

Additional response to negative shocks

0.2756
4.31***

Persistence:

1.000

Half-life:

693147 days