V-Lab
Supra Boga Lestari 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, September 4th, 2026
1 Day
1,118.34
decreased by 54.98
1 Week
1,206.05
increased by 32.73
1 Month
1,594.52
increased by 421.20
Analysis last updated: Friday, September 4, 2026 at 08:59 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 7, 2012 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 | 0.3071 | 0.83 |
α ARCH Response to squared shocks | 0.0397 | 1.93* |
β GARCH Volatility persistence | 0.9529 | 134.42*** |
γ leverage Additional response to negative shocks | 0.0149 | 0.32 |
Persistence:
1.000
Half-life:
1386294 days
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