Boston Scientific Corp Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, October 12th, 2026
1 Day
18.70
increased by 0.26
1 Week
18.64
increased by 0.20
1 Month
20.99
increased by 2.55
Analysis last updated: Saturday, October 10, 2026 at 01:19 AM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 20, 1992 to Oct 9, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 801 trading days (~3.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 86% more after negative returns
μ
ILLIQ-AMEM Model
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High persistence: persistence 0.999, shock half-life ~801 daysAsymmetry: Illiquidity rises 86% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1113 | 2.20** |
| αARCH | 0.0471 | 7.04*** |
| βGARCH | 0.9318 | 216.74*** |
| γleverage | 0.0406 | 3.85*** |
0.999
Persistence801d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1113 | 2.20** |
α ARCH Response to squared shocks | 0.0471 | 7.04*** |
β GARCH Volatility persistence | 0.9318 | 216.74*** |
γ leverage Additional response to negative shocks | 0.0406 | 3.85*** |
Persistence:
0.999
Half-life:
801 days
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