Skip to main content
V-Lab

Yamashita Health Care Hldgs 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 Monday, August 3rd, 2026

1 Day

19,832.26

increased by 8,644.53

1 Week

12,835.30

increased by 1,647.57

1 Month

10,724.50

decreased by 463.23

Analysis last updated: Sunday, August 2, 2026 at 08:32 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Yamashita Health Care Hldgs ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Feb 23, 2006 to Jul 31, 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 84% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
4.45***
α

ARCH

Response to squared shocks

0.0910
28.56***
β

GARCH

Volatility persistence

0.8706
401.00***
γ

leverage

Additional response to negative shocks

0.0768
12.54***

Persistence:

1.000

Half-life:

1386294 days