V-Lab
Johnson & Johnson Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 31st, 2026
1 Day
6.77
decreased by 0.14
1 Week
6.74
decreased by 0.17
1 Month
6.64
decreased by 0.27
Analysis last updated: Friday, August 28, 2026 at 10:39 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Aug 28, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2084 trading days (~8.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 139% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0237 | 1.80* |
α ARCH Response to squared shocks | 0.0258 | 6.51*** |
β GARCH Volatility persistence | 0.9559 | 281.65*** |
γ leverage Additional response to negative shocks | 0.0360 | 3.97*** |
Persistence:
1.000
Half-life:
2084 days
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