Johnson & Johnson Asymmetric ILLIQ Liquidity Analysis
Liquidity prediction for Tuesday, July 21st, 2026
1 Day
8.06
increased by 0.39
1 Week
7.85
increased by 0.18
1 Month
7.01
decreased by 0.66
Analysis last updated: Monday, July 20, 2026 at 09:45 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
Jan 2, 1990 to Jul 17, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2081 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 | 0.0232 | 7.16*** |
α ARCH Response to squared shocks | 0.0260 | 26.15*** |
β GARCH Volatility persistence | 0.9555 | 1,116.22*** |
γ leverage Additional response to negative shocks | 0.0363 | 15.85*** |
Persistence:
1.000
Half-life:
2081 days
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