V-Lab
Bank of New York Mellon Corp/The Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 8th, 2026
1 Day
26.75
decreased by 1.77
1 Week
28.23
decreased by 0.29
1 Month
32.30
increased by 3.78
Analysis last updated: Friday, September 4, 2026 at 10:37 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2139 trading days (~8.5 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 ~2139 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.8021 | 3.01*** |
| αARCH | 0.0789 | 1.90* |
| βGARCH | 0.8874 | 40.56*** |
| γleverage | 0.0667 | 1.58 |
1.000
Persistence2139d
Half-lifeμ
ILLIQ-AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8021 | 3.01*** |
α ARCH Response to squared shocks | 0.0789 | 1.90* |
β GARCH Volatility persistence | 0.8874 | 40.56*** |
γ leverage Additional response to negative shocks | 0.0667 | 1.58 |
Persistence:
1.000
Half-life:
2139 days
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