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Huadian Power International Corp 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 11th, 2026

1 Day

22.99

decreased by 2.30

1 Week

26.26

increased by 0.97

1 Month

28.47

increased by 3.18

Analysis last updated: Friday, September 11, 2026 at 06:15 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Huadian Power International Corp Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Feb 3, 2005 to Sep 4, 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

High persistence: persistence 1.000, shock half-life ~77016 days
ParamValuet-stat
ωconst0.9359
0.00
αARCH0.2096
0.00
βGARCH0.7904
0.00
γi Spline Coefficients
K=3
γ1-0.4353
-0.01
γ20.6584
0.01
γ3-0.3517
0.00

1.000

Persistence

77016d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9359
0.00
α

ARCH

Response to squared shocks

0.2096
0.00
β

GARCH

Volatility persistence

0.7904
0.00
γi Spline Coefficients
K=3
γ1-0.4353
-0.01
γ20.6584
0.01
γ3-0.3517
0.00

Persistence:

1.000

Half-life:

77016 days