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Sheh Fung Screws 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 17th, 2026

1 Day

6,458.54

increased by 586.08

1 Week

4,963.82

decreased by 908.64

1 Month

5,260.14

decreased by 612.32

Analysis last updated: Thursday, September 17, 2026 at 08:59 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sheh Fung Screws Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 27, 2012 to Sep 14, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 231049 trading days (~916.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~231049 days
ParamValuet-stat
ωconst0.8266
αARCH0.2263
βGARCH0.7737
γi Spline Coefficients
K=10
γ1-28.9236
γ246.0535
γ3-26.4632
γ413.3031
γ5-4.7036
γ60.7842
γ7-0.4375
γ80.9645
γ9-0.1737
γ10-1.8617

1.000

Persistence

231049d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8266
α

ARCH

Response to squared shocks

0.2263
β

GARCH

Volatility persistence

0.7737
γi Spline Coefficients
K=10
γ1-28.9236
γ246.0535
γ3-26.4632
γ413.3031
γ5-4.7036
γ60.7842
γ7-0.4375
γ80.9645
γ9-0.1737
γ10-1.8617

Persistence:

1.000

Half-life:

231049 days