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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, August 17th, 2026

1 Day

43.85

increased by 15.14

1 Week

30.33

increased by 1.62

1 Month

49.57

increased by 20.86

Analysis last updated: Saturday, August 15, 2026 at 07:00 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 14, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 21661 trading days (~86.0 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

1.2755
0.21
α

ARCH

Response to squared shocks

0.2179
0.21
β

GARCH

Volatility persistence

0.7821
0.77
γi Spline Coefficients
K=6
γ1-0.5404
-5.53***
γ21.3457
12.61***
γ3-1.5747
-18.18***
γ41.1592
5.99***
γ5-0.5612
-7.75***
γ60.2973
0.72

Persistence:

1.000

Half-life:

21661 days