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Shanghai Dazhong Public Util Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, October 5th, 2026

1 Day

12,508.53

increased by 9,342.58

1 Week

5,486.25

increased by 2,320.30

1 Month

2,842.27

decreased by 323.68

Analysis last updated: Saturday, October 3, 2026 at 07:11 PM UTC

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Date Range:

from

10/02/2024

to

10/02/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Shanghai Dazhong Public Util ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Dec 5, 2016 to Oct 2, 2026

Model Insight

With persistence 0.993, illiquidity shocks have a half-life of 103 trading days (~0.4 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 0.993, shock half-life ~103 days
ParamValuet-stat
ωconst0.7420
2.84***
αARCH0.2957
7.71***
βGARCH0.6976
18.54***
∑γi Spline Coefficients
K=9
γ1-3.5872
-1.58
γ24.1667
1.28
γ3-0.2348
-0.11
γ4-1.6053
-0.76
γ54.0106
1.79*
γ6-8.1740
-2.43**
γ710.1425
1.95*
γ8-7.9949
-1.61
γ98.7572
2.47**

0.993

Persistence

103d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.7420
2.84***
α

ARCH

Response to squared shocks

0.2957
7.71***
β

GARCH

Volatility persistence

0.6976
18.54***
∑γi Spline Coefficients
K=9
γ1-3.5872
-1.58
γ24.1667
1.28
γ3-0.2348
-0.11
γ4-1.6053
-0.76
γ54.0106
1.79*
γ6-8.1740
-2.43**
γ710.1425
1.95*
γ8-7.9949
-1.61
γ98.7572
2.47**

Persistence:

0.993

Half-life:

103 days