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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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Arafura Rare Earths Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 5, 2003 to Sep 4, 2026

Model 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

Tap to view equation

High persistence: persistence 1.000, shock half-life ~86643 days
ParamValuet-stat
ωconst1.0460
0.03
αARCH0.1148
0.00
βGARCH0.8852
0.02
γi Spline Coefficients
K=5
γ1-0.0909
0.00
γ20.5405
0.01
γ3-1.1006
-0.01
γ40.9858
0.07
γ5-0.4544
-0.01

1.000

Persistence

86643d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-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
γi Spline Coefficients
K=5
γ1-0.0909
0.00
γ20.5405
0.01
γ3-1.1006
-0.01
γ40.9858
0.07
γ5-0.4544
-0.01

Persistence:

1.000

Half-life:

86643 days