V-Lab
BOYD GROUP SERVICES INC Asymmetric ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Monday, August 31st, 2026
1 Day
4,884.81
decreased by 336.01
1 Week
5,488.17
increased by 267.35
1 Month
6,553.27
increased by 1,332.45
Analysis last updated: Friday, August 28, 2026 at 10:19 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 30, 2025 to Aug 28, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 0.05 |
α ARCH Response to squared shocks | 0.0774 | 0.79 |
β GARCH Volatility persistence | 0.9309 | 23.49*** |
γ leverage Additional response to negative shocks | -0.0166 | -0.13 |
Persistence:
1.000
Half-life:
1386294 days
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