V-Lab
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
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Aug 8, 2018 to Aug 28, 2026Model 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
| Parameter | Value | t-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*** |
Spline Coefficients
K=10
| γ1 | -1.6298 | -0.18 |
| γ2 | 9.1885 | 0.75 |
| γ3 | -19.9589 | -2.32** |
| γ4 | 19.4811 | 3.24*** |
| γ5 | -7.1984 | -1.85* |
| γ6 | -7.0732 | -1.15 |
| γ7 | 26.9143 | 2.02** |
| γ8 | -36.4748 | -2.15** |
| γ9 | 21.2615 | 1.73* |
| γ10 | -4.4387 | -0.60 |
Persistence:
0.999
Half-life:
466 days
Other Epiroc Ab Analyses
Other Spline ILLIQ Analyses on International Equities