Skip to main content
V-Lab
V-Lab

Shanghai Electric Power Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, October 29th, 2026

1 Day

49.44

decreased by 12.36

1 Week

51.77

decreased by 10.03

1 Month

52.45

decreased by 9.35

Analysis last updated: Thursday, October 29, 2026 at 08:53 PM UTC

Press Delete or Backspace to remove this series.
Date Range:

from

10/28/2024

to

10/28/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Shanghai Electric Power Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Oct 29, 2003 to Oct 23, 2026

Model Insight

With persistence 0.997, illiquidity shocks have a half-life of 255 trading days (~1.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

High persistence: persistence 0.997, shock half-life ~255 days
ParamValuet-stat
ωconst0.7800
3.25***
αARCH0.2250
23.78***
βGARCH0.7723
74.13***
∑γi Spline Coefficients
K=1
γ1-0.0045
-1.74*

0.997

Persistence

255d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.7800
3.25***
α

ARCH

Response to squared shocks

0.2250
23.78***
β

GARCH

Volatility persistence

0.7723
74.13***
∑γi Spline Coefficients
K=1
γ1-0.0045
-1.74*

Persistence:

0.997

Half-life:

255 days