Boston Scientific Corp Asymmetric ILLIQ Liquidity Analysis
Liquidity prediction for Monday, July 20th, 2026
1 Day
23.38
increased by 0.90
1 Week
21.69
decreased by 0.79
1 Month
20.60
decreased by 1.88
Analysis last updated: Friday, July 17, 2026 at 10:43 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
May 20, 1992 to Jul 17, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 773 trading days (~3.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 90% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1172 | 9.06*** |
α ARCH Response to squared shocks | 0.0466 | 27.94*** |
β GARCH Volatility persistence | 0.9317 | 863.47*** |
γ leverage Additional response to negative shocks | 0.0417 | 15.84*** |
Persistence:
0.999
Half-life:
773 days
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