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Ardmore Shipping Corp 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 Tuesday, September 22nd, 2026

1 Day

1,392.19

increased by 220.91

1 Week

1,309.28

increased by 138.00

1 Month

1,829.34

increased by 658.06

Analysis last updated: Monday, September 21, 2026 at 09:37 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Ardmore Shipping Corp ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Aug 1, 2013 to Sep 18, 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 106% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~1386294 daysAsymmetry: Illiquidity rises 106% more after negative returns
ParamValuet-stat
ωconst5.0000
0.49
αARCH0.0562
4.82***
βGARCH0.9142
106.31***
γleverage0.0593
3.19***

1.000

Persistence

1386294d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
0.49
α

ARCH

Response to squared shocks

0.0562
4.82***
β

GARCH

Volatility persistence

0.9142
106.31***
γ

leverage

Additional response to negative shocks

0.0593
3.19***

Persistence:

1.000

Half-life:

1386294 days