V-Lab
Izutsuya Co Ltd 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 Friday, August 21st, 2026
1 Day
5,251.48
1 Week
4,227.38
1 Month
3,860.11
Analysis last updated: Friday, August 21, 2026 at 07:40 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 1, 1992 to Aug 14, 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.
Asymmetry: Illiquidity rises 102% more after negative returns
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5514 | 10.33*** |
α ARCH Response to squared shocks | 0.1010 | 35.31*** |
β GARCH Volatility persistence | 0.8473 | 445.94*** |
γ leverage Additional response to negative shocks | 0.1035 | 24.05*** |
Persistence:
1.000
Half-life:
1386294 days
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