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Shift4 Payments Inc Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, September 8th, 2026

1 Day

437.05

decreased by 17.89

1 Week

465.84

increased by 10.90

1 Month

525.74

increased by 70.80

Analysis last updated: Friday, September 4, 2026 at 10:50 PM UTC

Date Range:

from

to

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 Sep 4, 2026

Model Insight

With persistence 0.996, illiquidity shocks have a half-life of 169 trading days (~0.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 269% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 0.996, shock half-life ~169 daysAsymmetry: Illiquidity rises 269% more after negative returns
ParamValuet-stat
ωconst1.1294
0.91
αARCH0.0266
1.78*
βGARCH0.9335
102.88***
γleverage0.0716
2.34**

0.996

Persistence

169d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1294
0.91
α

ARCH

Response to squared shocks

0.0266
1.78*
β

GARCH

Volatility persistence

0.9335
102.88***
γ

leverage

Additional response to negative shocks

0.0716
2.34**

Persistence:

0.996

Half-life:

169 days