V-Lab
Polytronics Technology Corp 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 24th, 2026
1 Day
520.89
decreased by 101.97
1 Week
681.46
increased by 58.60
1 Month
1,267.62
increased by 644.76
Analysis last updated: Sunday, August 23, 2026 at 02:10 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 3, 2003 to Aug 21, 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 | 0.68 |
α ARCH Response to squared shocks | 0.0685 | 4.63*** |
β GARCH Volatility persistence | 0.8113 | 35.29*** |
γ leverage Additional response to negative shocks | 0.2405 | 1.74* |
Persistence:
1.000
Half-life:
1386294 days
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