Merck & Co Inc ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Tuesday, November 3rd, 2026
1 Day
10.44
1 Week
10.46
1 Month
10.05
Analysis last updated: Monday, November 2, 2026 at 10:35 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 1990 to Oct 30, 2026Model Insight
Illiquidity shocks decay with a half-life of 23 trading days, meaning a shock loses half its impact after approximately 23 days. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.
ILLIQ-MFMEM Model
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 126 | |
| αARCH | 0.0435 | 12.58*** |
| βGARCH | 0.9491 | 225.27*** |
| γleverage | -0.0435 | -2.26** |
| λ₁tau intercept | 0.0011 | 2.51** |
| λ₂forecast adj. | 0.0000 | 0.00 |
| λ₃tau persistence | 0.9994 | 301.95*** |
0.971
Persistence23d
Half-lifeILLIQ-MFMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.0435 | 12.58*** |
β GARCH Volatility persistence | 0.9491 | 225.27*** |
γ leverage Additional response to negative shocks | -0.0435 | -2.26** |
λ₁ tau intercept Baseline long-term coefficient | 0.0011 | 2.51** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.9994 | 301.95*** |
Persistence:
0.971
Half-life:
23 days
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