V-Lab
Merck & Co Inc Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, October 7th, 2026
1 Day
10.58
decreased by 0.09
1 Week
10.07
decreased by 0.60
1 Month
10.24
decreased by 0.43
Analysis last updated: Tuesday, October 6, 2026 at 10:00 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Oct 2, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 2423 trading days (~9.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 174% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
High persistence: persistence 1.000, shock half-life ~2423 daysAsymmetry: Illiquidity rises 174% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0277 | 1.19 |
| αARCH | 0.0212 | 5.37*** |
| βGARCH | 0.9600 | 314.66*** |
| γleverage | 0.0369 | 5.52*** |
1.000
Persistence2423d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0277 | 1.19 |
α ARCH Response to squared shocks | 0.0212 | 5.37*** |
β GARCH Volatility persistence | 0.9600 | 314.66*** |
γ leverage Additional response to negative shocks | 0.0369 | 5.52*** |
Persistence:
1.000
Half-life:
2423 days
Other Merck & Co Inc Analyses
Other Asymmetric ILLIQ Analyses on Equities