V-Lab
Boeing Co/The Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, July 27th, 2026
1 Day
12.31
decreased by 0.67
1 Week
13.27
increased by 0.29
1 Month
13.29
increased by 0.31
Analysis last updated: Friday, July 24, 2026 at 10:22 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Jul 24, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 588 trading days (~2.3 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 | 1.0381 | 9.75*** |
α ARCH Response to squared shocks | 0.0610 | 15.70*** |
β GARCH Volatility persistence | 0.9378 | 237.12*** |
Spline Coefficients
K=1
| γ1 | -0.0038 | -2.98*** |
Persistence:
0.999
Half-life:
588 days
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