ExxonMobil Holdings Corp Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, October 12th, 2026
1 Day
5.02
decreased by 0.13
1 Week
5.14
decreased by 0.01
1 Month
5.63
increased by 0.48
Analysis last updated: Saturday, October 10, 2026 at 02:21 AM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Oct 9, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 924 trading days (~3.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 162% more after negative returns
μ
ILLIQ-AMEM Model
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High persistence: persistence 0.999, shock half-life ~924 daysAsymmetry: Illiquidity rises 162% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0183 | 1.55 |
| αARCH | 0.0193 | 4.94*** |
| βGARCH | 0.9643 | 340.02*** |
| γleverage | 0.0313 | 4.78*** |
0.999
Persistence924d
Half-lifeμ
ILLIQ-AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0183 | 1.55 |
α ARCH Response to squared shocks | 0.0193 | 4.94*** |
β GARCH Volatility persistence | 0.9643 | 340.02*** |
γ leverage Additional response to negative shocks | 0.0313 | 4.78*** |
Persistence:
0.999
Half-life:
924 days
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