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BeijingWest Industries International Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, August 3rd, 2026

1 Day

5,509.15

increased by 104.80

1 Week

4,880.36

decreased by 523.99

1 Month

3,212.50

decreased by 2,191.85

Analysis last updated: Sunday, August 2, 2026 at 05:06 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of BeijingWest Industries International Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 2, 2007 to Jul 31, 2026

Model Insight

With persistence 0.995, illiquidity shocks have a half-life of 129 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.2611
2.36**
α

ARCH

Response to squared shocks

0.2058
6.25***
β

GARCH

Volatility persistence

0.7889
24.60***
γi Spline Coefficients
K=10
γ10.2232
0.16
γ2-5.1296
-1.68*
γ311.3265
2.91***
γ4-10.6828
-2.40**
γ512.9768
2.23**
γ6-15.7578
-2.62***
γ77.9222
2.66***
γ80.0421
0.03
γ9-2.8690
-1.83*
γ10-3.0846
-1.11

Persistence:

0.995

Half-life:

129 days