V-Lab
Arafura Rare Earths Ltd Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Wednesday, September 9th, 2026
1 Day
5,520.34
increased by 599.87
1 Week
4,759.07
decreased by 161.40
1 Month
4,732.28
decreased by 188.19
Analysis last updated: Wednesday, September 9, 2026 at 05:50 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 5, 2003 to Sep 4, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 86643 trading days (~343.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 1.000, shock half-life ~86643 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0460 | 0.03 |
| αARCH | 0.1148 | 0.00 |
| βGARCH | 0.8852 | 0.02 |
Spline Coefficients
K=5
| γ1 | -0.0909 | 0.00 |
| γ2 | 0.5405 | 0.01 |
| γ3 | -1.1006 | -0.01 |
| γ4 | 0.9858 | 0.07 |
| γ5 | -0.4544 | -0.01 |
1.000
Persistence86643d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0460 | 0.03 |
α ARCH Response to squared shocks | 0.1148 | 0.00 |
β GARCH Volatility persistence | 0.8852 | 0.02 |
Spline Coefficients
K=5
| γ1 | -0.0909 | 0.00 |
| γ2 | 0.5405 | 0.01 |
| γ3 | -1.1006 | -0.01 |
| γ4 | 0.9858 | 0.07 |
| γ5 | -0.4544 | -0.01 |
Persistence:
1.000
Half-life:
86643 days
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