Johnson & Johnson Spline ILLIQ Liquidity Analysis
Liquidity prediction for Monday, July 20th, 2026
1 Day
7.55
decreased by 0.05
1 Week
7.59
decreased by 0.01
1 Month
7.15
decreased by 0.45
Analysis last updated: Friday, July 17, 2026 at 11:03 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 0.999, illiquidity shocks have a half-life of 494 trading days (~2.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0967 | 8.82*** |
α ARCH Response to squared shocks | 0.0449 | 11.50*** |
β GARCH Volatility persistence | 0.9537 | 253.90*** |
Spline Coefficients
K=1
| γ1 | -0.0002 | -0.20 |
Persistence:
0.999
Half-life:
494 days
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