V-Lab
Bank of New York Mellon Corp/The Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 28th, 2026
1 Day
21.82
decreased by 1.81
1 Week
24.08
increased by 0.45
1 Month
27.16
increased by 3.53
Analysis last updated: Saturday, September 26, 2026 at 12:00 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Sep 25, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 4113 trading days (~16.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-AMEM Model
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High persistence: persistence 1.000, shock half-life ~4113 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.7751 | 2.94*** |
| αARCH | 0.0794 | 1.92* |
| βGARCH | 0.8875 | 40.92*** |
| γleverage | 0.0660 | 1.56 |
1.000
Persistence4113d
Half-lifeμ
ILLIQ-AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7751 | 2.94*** |
α ARCH Response to squared shocks | 0.0794 | 1.92* |
β GARCH Volatility persistence | 0.8875 | 40.92*** |
γ leverage Additional response to negative shocks | 0.0660 | 1.56 |
Persistence:
1.000
Half-life:
4113 days
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