V-Lab
Chevron Corp Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, August 12th, 2026
1 Day
9.10
decreased by 0.13
1 Week
9.09
decreased by 0.14
1 Month
8.16
decreased by 1.07
Analysis last updated: Tuesday, August 11, 2026 at 10:17 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Aug 7, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 1920 trading days (~7.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 217% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0294 | 7.12*** |
α ARCH Response to squared shocks | 0.0177 | 19.81*** |
β GARCH Volatility persistence | 0.9627 | 1,285.25*** |
γ leverage Additional response to negative shocks | 0.0385 | 26.89*** |
Persistence:
1.000
Half-life:
1920 days
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