V-Lab
Amtech Systems Inc ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Wednesday, September 9th, 2026
1 Day
6,942.95
1 Week
5,724.70
1 Month
6,670.36
Analysis last updated: Tuesday, September 8, 2026 at 10:25 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 1, 1990 to Sep 4, 2026Model Insight
Illiquidity shocks decay with a half-life of 13 trading days, meaning a shock loses half its impact after approximately 13 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
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 126 | |
| αARCH | 0.1378 | 11.36*** |
| βGARCH | 0.8793 | 88.30*** |
| γleverage | -0.1378 | -2.47** |
| λ₁tau intercept | 0.0000 | 0.03 |
| λ₂forecast adj. | 0.0000 | 0.00 |
| λ₃tau persistence | 0.9976 | 130.57*** |
0.948
Persistence13d
Half-lifeILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.1378 | 11.36*** |
β GARCH Volatility persistence | 0.8793 | 88.30*** |
γ leverage Additional response to negative shocks | -0.1378 | -2.47** |
λ₁ tau intercept Baseline long-term coefficient | 0.0000 | 0.03 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.9976 | 130.57*** |
Persistence:
0.948
Half-life:
13 days
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