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Tongda Group Holdings 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, October 2nd, 2026

1 Day

1,364,075.00

decreased by 226,807.00

1 Week

1,737,550.75

increased by 146,668.75

1 Month

1,803,466.67

increased by 212,584.67

Analysis last updated: Thursday, October 1, 2026 at 08:21 PM UTC

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Date Range:

from

09/30/2024

to

09/30/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Tongda Group Holdings Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Dec 26, 2000 to Sep 30, 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
ωconst0.5471
0.03
αARCH0.1971
0.01
βGARCH0.8029
0.04
∑γi Spline Coefficients
K=8
γ1-0.3913
0.00
γ2-0.4257
0.00
γ32.4712
0.10
γ4-4.4299
-0.07
γ55.1062
0.10
γ6-2.8442
-0.40
γ71.1879
0.01
γ8-0.8696
0.00

1.000

Persistence

77016d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.5471
0.03
α

ARCH

Response to squared shocks

0.1971
0.01
β

GARCH

Volatility persistence

0.8029
0.04
∑γi Spline Coefficients
K=8
γ1-0.3913
0.00
γ2-0.4257
0.00
γ32.4712
0.10
γ4-4.4299
-0.07
γ55.1062
0.10
γ6-2.8442
-0.40
γ71.1879
0.01
γ8-0.8696
0.00

Persistence:

1.000

Half-life:

77016 days