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Siam Wellness Group Asymmetric 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, July 24th, 2026

1 Day

2,271.00

increased by 221.37

1 Week

2,094.51

increased by 44.88

1 Month

1,588.86

decreased by 460.77

Analysis last updated: Friday, July 24, 2026 at 08:26 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Siam Wellness Group ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 3, 2014 to Jul 17, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 69% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
3.09***
α

ARCH

Response to squared shocks

0.1043
18.42***
β

GARCH

Volatility persistence

0.8596
349.28***
γ

leverage

Additional response to negative shocks

0.0722
6.75***

Persistence:

1.000

Half-life:

1386294 days