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CITIC Securities 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, October 8th, 2026

1 Day

4.53

decreased by 0.63

1 Month

4.34

decreased by 0.82

Analysis last updated: Thursday, October 1, 2026 at 06:17 PM UTC

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Date Range:

from

09/30/2024

to

09/30/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CITIC Securities Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 6, 2003 to Sep 30, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 86643 trading days (~343.8 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 ~86643 days
ParamValuet-stat
ωconst0.9572
3.42***
αARCH0.1635
0.40
βGARCH0.8365
2.03**
∑γi Spline Coefficients
K=9
γ1-1.6133
-0.61
γ23.3194
0.47
γ3-5.2937
-0.31
γ413.5167
0.32
γ5-19.9379
-0.44
γ614.8807
1.02
γ7-5.9080
-1.41
γ81.3883
0.36
γ9-0.5768
-0.03

1.000

Persistence

86643d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9572
3.42***
α

ARCH

Response to squared shocks

0.1635
0.40
β

GARCH

Volatility persistence

0.8365
2.03**
∑γi Spline Coefficients
K=9
γ1-1.6133
-0.61
γ23.3194
0.47
γ3-5.2937
-0.31
γ413.5167
0.32
γ5-19.9379
-0.44
γ614.8807
1.02
γ7-5.9080
-1.41
γ81.3883
0.36
γ9-0.5768
-0.03

Persistence:

1.000

Half-life:

86643 days