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Weichai Heavy Machinery 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 Thursday, September 24th, 2026

1 Day

71.04

increased by 11.41

1 Week

63.16

increased by 3.53

1 Month

74.69

increased by 15.06

Analysis last updated: Thursday, September 24, 2026 at 06:19 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Weichai Heavy Machinery Co Ltd ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Apr 2, 1998 to Sep 18, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000 ≥ 1, shocks do not decay
ParamValuet-stat
ωconst2.3966
1.61
αARCH0.1851
2.38**
βGARCH0.7675
36.42***
γleverage0.0946
0.88

1.000

Persistence

-

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.3966
1.61
α

ARCH

Response to squared shocks

0.1851
2.38**
β

GARCH

Volatility persistence

0.7675
36.42***
γ

leverage

Additional response to negative shocks

0.0946
0.88

Persistence:

1.000

Half-life:

-