V-Lab
Zumiez Inc ILLIQ-MFMEM Liquidity Analysis
Illiquidity prediction for Tuesday, September 22nd, 2026
1 Day
5,319.28
1 Week
5,378.66
1 Month
5,558.69
Analysis last updated: Monday, September 21, 2026 at 09:35 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 6, 2005 to Sep 18, 2026Model Insight
Illiquidity shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 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 | 21 | |
| αARCH | 0.1064 | 11.93*** |
| βGARCH | 0.8127 | 38.23*** |
| γleverage | -0.1064 | -2.64*** |
| λ₁tau intercept | 10.0000 | 1.85* |
| λ₂forecast adj. | 0.1244 | 3.40*** |
| λ₃tau persistence | 0.8717 | 23.29*** |
0.866
Persistence5d
Half-lifeILLIQ-MFMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.1064 | 11.93*** |
β GARCH Volatility persistence | 0.8127 | 38.23*** |
γ leverage Additional response to negative shocks | -0.1064 | -2.64*** |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 1.85* |
λ₂ forecast adj. Forecast performance sensitivity | 0.1244 | 3.40*** |
λ₃ tau persistence Long-term factor persistence | 0.8717 | 23.29*** |
Persistence:
0.866
Half-life:
5 days
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