V-Lab
Johnson & Johnson Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 10th, 2026
1 Day
6.48
decreased by 0.03
1 Week
6.68
increased by 0.17
1 Month
6.74
increased by 0.23
Analysis last updated: Friday, August 7, 2026 at 10:45 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 2139 trading days (~8.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 140% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0233 | 7.09*** |
α ARCH Response to squared shocks | 0.0257 | 26.03*** |
β GARCH Volatility persistence | 0.9559 | 1,125.95*** |
γ leverage Additional response to negative shocks | 0.0360 | 15.87*** |
Persistence:
1.000
Half-life:
2139 days
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