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Tokyo Ichiban Foods Co Ltd 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 Thursday, August 20th, 2026

1 Day

6,332.51

increased by 3,808.94

1 Week

3,246.58

increased by 723.01

1 Month

2,947.14

increased by 423.57

Analysis last updated: Thursday, August 20, 2026 at 07:24 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Tokyo Ichiban Foods Co Ltd ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Dec 26, 2006 to Aug 14, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.

Asymmetry: Illiquidity rises 76% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
3.47***
α

ARCH

Response to squared shocks

0.0898
20.95***
β

GARCH

Volatility persistence

0.8763
385.02***
γ

leverage

Additional response to negative shocks

0.0679
7.00***

Persistence:

1.000

Half-life:

-