V-Lab
Johnson & Johnson Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 31st, 2026
1 Day
6.85
decreased by 0.06
1 Week
6.91
increased by 0.00
1 Month
6.61
decreased by 0.30
Analysis last updated: Friday, August 28, 2026 at 10:42 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 0.999, illiquidity shocks have a half-life of 492 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 | 1.0958 | 8.86*** |
α ARCH Response to squared shocks | 0.0445 | 11.43*** |
β GARCH Volatility persistence | 0.9541 | 255.03*** |
Spline Coefficients
K=1
| γ1 | -0.0003 | -0.28 |
Persistence:
0.999
Half-life:
492 days
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