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Epiroc Ab Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, September 1st, 2026

1 Day

12,918.06

increased by 989.31

1 Week

10,920.17

decreased by 1,008.58

1 Month

8,906.90

decreased by 3,021.85

Analysis last updated: Tuesday, September 1, 2026 at 08:48 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Epiroc Ab ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Aug 8, 2018 to Aug 28, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 466 trading days (~1.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4354
1.88*
α

ARCH

Response to squared shocks

0.1766
4.85***
β

GARCH

Volatility persistence

0.8220
22.35***
γi Spline Coefficients
K=10
γ1-1.6298
-0.18
γ29.1885
0.75
γ3-19.9589
-2.32**
γ419.4811
3.24***
γ5-7.1984
-1.85*
γ6-7.0732
-1.15
γ726.9143
2.02**
γ8-36.4748
-2.15**
γ921.2615
1.73*
γ10-4.4387
-0.60

Persistence:

0.999

Half-life:

466 days