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Shift4 Payments Inc Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, October 19th, 2026

1 Day

300.20

decreased by 19.55

1 Week

307.28

decreased by 12.47

1 Month

362.68

increased by 42.93

Analysis last updated: Friday, October 16, 2026 at 11:12 PM UTC

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Date Range:

from

10/16/2024

to

10/16/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Shift4 Payments Inc ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jun 5, 2020 to Oct 16, 2026

Model Insight

With persistence 0.995, illiquidity shocks have a half-life of 141 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 222% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 0.995, shock half-life ~141 daysAsymmetry: Illiquidity rises 222% more after negative returns
ParamValuet-stat
ωconst1.2676
1.05
αARCH0.0307
2.05**
βGARCH0.9303
101.03***
γleverage0.0682
2.23**

0.995

Persistence

141d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.2676
1.05
α

ARCH

Response to squared shocks

0.0307
2.05**
β

GARCH

Volatility persistence

0.9303
101.03***
γ

leverage

Additional response to negative shocks

0.0682
2.23**

Persistence:

0.995

Half-life:

141 days