V-Lab
Press Kogyo Co Ltd Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, September 24th, 2026
1 Day
30.76
increased by 2.22
1 Week
29.65
increased by 1.11
1 Month
33.41
increased by 4.87
Analysis last updated: Sunday, September 20, 2026 at 12:21 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 1, 1992 to Sep 18, 2026Model Insight
With persistence 0.993, illiquidity shocks have a half-life of 101 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 178% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
High persistence: persistence 0.993, shock half-life ~101 daysAsymmetry: Illiquidity rises 178% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.8718 | 3.50*** |
| αARCH | 0.0667 | 4.87*** |
| βGARCH | 0.8670 | 134.75*** |
| γleverage | 0.1189 | 5.30*** |
0.993
Persistence101d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8718 | 3.50*** |
α ARCH Response to squared shocks | 0.0667 | 4.87*** |
β GARCH Volatility persistence | 0.8670 | 134.75*** |
γ leverage Additional response to negative shocks | 0.1189 | 5.30*** |
Persistence:
0.993
Half-life:
101 days
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