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Jinneng Holding Shanxi Electric Power 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 Friday, September 4th, 2026

1 Day

55.05

decreased by 5.36

1 Week

49.98

decreased by 10.43

1 Month

42.21

decreased by 18.20

Analysis last updated: Friday, September 4, 2026 at 06:21 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Jinneng Holding Shanxi Electric Power Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jun 10, 1997 to Aug 28, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 77016 trading days (~305.6 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

1.3174
0.01
α

ARCH

Response to squared shocks

0.2229
0.00
β

GARCH

Volatility persistence

0.7771
0.01
γi Spline Coefficients
K=9
γ10.2516
0.00
γ2-1.0329
0.00
γ32.0508
0.02
γ4-2.0967
-0.02
γ50.4995
0.00
γ60.9986
0.01
γ7-1.0746
-0.01
γ80.6410
0.01
γ9-0.5325
-0.02

Persistence:

1.000

Half-life:

77016 days