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Beijing Sifang Automation Co Ltd Spline 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 3rd, 2026

1 Day

28.98

increased by 5.63

1 Week

22.19

decreased by 1.16

1 Month

30.27

increased by 6.92

Analysis last updated: Thursday, September 3, 2026 at 06:00 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Beijing Sifang Automation Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 3, 2011 to Aug 28, 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-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3650
α

ARCH

Response to squared shocks

0.2477
β

GARCH

Volatility persistence

0.7523
γi Spline Coefficients
K=1
γ10.1546

Persistence:

1.000

Half-life:

-