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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 Monday, July 27th, 2026

1 Day

57.81

increased by 13.31

1 Week

54.43

increased by 9.93

1 Month

55.99

increased by 11.49

Analysis last updated: Saturday, July 25, 2026 at 11:12 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 Jul 24, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 138629 trading days (~550.1 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

1.3019
0.00
α

ARCH

Response to squared shocks

0.2231
0.00
β

GARCH

Volatility persistence

0.7769
0.00
γi Spline Coefficients
K=9
γ10.2858
0.00
γ2-1.1232
0.00
γ32.1275
0.00
γ4-2.0869
0.00
γ50.4168
0.00
γ61.0705
0.00
γ7-1.0865
0.00
γ80.6206
0.00
γ9-0.4932
0.00

Persistence:

1.000

Half-life:

138629 days