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Beijing Sifang Automation 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 Wednesday, August 19th, 2026

1 Day

27.82

increased by 0.99

1 Week

26.70

decreased by 0.13

1 Month

46.79

increased by 19.96

Analysis last updated: Wednesday, August 19, 2026 at 06:04 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Beijing Sifang Automation Co Ltd ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 3, 2011 to Aug 14, 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.

Asymmetry: Illiquidity rises 83% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2627
15.63***
α

ARCH

Response to squared shocks

0.1548
37.32***
β

GARCH

Volatility persistence

0.7808
447.72***
γ

leverage

Additional response to negative shocks

0.1289
17.39***

Persistence:

1.000

Half-life:

-