V-Lab
Svenska Cellulosa AB SCA 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 Tuesday, September 22nd, 2026
1 Day
6,489.45
increased by 390.15
1 Week
6,287.36
increased by 188.06
1 Month
7,564.52
increased by 1,465.22
Analysis last updated: Tuesday, September 22, 2026 at 08:31 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 1, 1990 to Sep 18, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 115524 trading days (~458.4 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 ~115524 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1480 | 0.19 |
| αARCH | 0.0703 | 0.03 |
| βGARCH | 0.9297 | 0.36 |
Spline Coefficients
K=3
| γ1 | -0.0688 | -0.04 |
| γ2 | 0.0782 | 0.04 |
| γ3 | -0.0063 | -0.02 |
1.000
Persistence115524d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1480 | 0.19 |
α ARCH Response to squared shocks | 0.0703 | 0.03 |
β GARCH Volatility persistence | 0.9297 | 0.36 |
Spline Coefficients
K=3
| γ1 | -0.0688 | -0.04 |
| γ2 | 0.0782 | 0.04 |
| γ3 | -0.0063 | -0.02 |
Persistence:
1.000
Half-life:
115524 days
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