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Shandong Xinneng Taishan Power Generation 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 17th, 2026

1 Day

123.85

increased by 2.38

1 Week

129.74

increased by 8.27

1 Month

204.20

increased by 82.73

Analysis last updated: Saturday, August 15, 2026 at 07:01 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Shandong Xinneng Taishan Power Generation Co Ltd ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

May 9, 1997 to Aug 14, 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 47% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
1.12
α

ARCH

Response to squared shocks

0.1827
10.10***
β

GARCH

Volatility persistence

0.7743
145.87***
γ

leverage

Additional response to negative shocks

0.0860
1.96**

Persistence:

1.000

Half-life:

1386294 days