Shift4 Payments Inc Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, November 10th, 2026
1 Day
261.13
decreased by 12.71
1 Week
282.85
increased by 9.01
1 Month
302.60
increased by 28.76
Analysis last updated: Monday, November 9, 2026 at 10:41 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 5, 2020 to Nov 6, 2026Model Insight
With persistence 0.995, illiquidity shocks have a half-life of 144 trading days (~0.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 233% more after negative returns
μ
ILLIQ-AMEM Model
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High persistence: persistence 0.995, shock half-life ~144 daysAsymmetry: Illiquidity rises 233% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.2395 | 1.03 |
| αARCH | 0.0294 | 2.00** |
| βGARCH | 0.9315 | 103.97*** |
| γleverage | 0.0686 | 2.27** |
0.995
Persistence144d
Half-lifeμ
ILLIQ-AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2395 | 1.03 |
α ARCH Response to squared shocks | 0.0294 | 2.00** |
β GARCH Volatility persistence | 0.9315 | 103.97*** |
γ leverage Additional response to negative shocks | 0.0686 | 2.27** |
Persistence:
0.995
Half-life:
144 days
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