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Sia Engineering Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, November 5th, 2026

1 Day

3,926.64

decreased by 709.42

1 Week

3,823.76

decreased by 812.30

1 Month

4,194.47

decreased by 441.59

Analysis last updated: Thursday, November 5, 2026 at 09:34 PM UTC

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Date Range:

from

11/04/2024

to

11/04/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sia Engineering Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 26, 2001 to Nov 2, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 14 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.9507
3.51***
αARCH0.1668
6.40***
βGARCH0.7863
27.00***
∑γi Spline Coefficients
K=6
γ1-0.1316
-2.46**
γ20.2247
3.19***
γ3-0.1643
-2.67***
γ40.1437
1.94*
γ5-0.0861
-1.48
γ6-0.0931
-1.69*

0.953

Persistence

14d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.9507
3.51***
α

ARCH

Response to squared shocks

0.1668
6.40***
β

GARCH

Volatility persistence

0.7863
27.00***
∑γi Spline Coefficients
K=6
γ1-0.1316
-2.46**
γ20.2247
3.19***
γ3-0.1643
-2.67***
γ40.1437
1.94*
γ5-0.0861
-1.48
γ6-0.0931
-1.69*

Persistence:

0.953

Half-life:

14 days