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Shanghai Hi-Tech Control System Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, October 29th, 2026

1 Day

121.50

decreased by 29.70

1 Week

129.01

decreased by 22.19

1 Month

216.46

increased by 65.26

Analysis last updated: Thursday, October 29, 2026 at 09:16 PM UTC

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Date Range:

from

10/28/2024

to

10/28/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Shanghai Hi-Tech Control System Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 16, 2007 to Oct 23, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 26 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.7985
6.83***
αARCH0.2365
16.90***
βGARCH0.7370
56.97***
∑γi Spline Coefficients
K=1
γ1-0.0027
-0.96

0.973

Persistence

26d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7985
6.83***
α

ARCH

Response to squared shocks

0.2365
16.90***
β

GARCH

Volatility persistence

0.7370
56.97***
∑γi Spline Coefficients
K=1
γ1-0.0027
-0.96

Persistence:

0.973

Half-life:

26 days