V-Lab
Aker Biomarine Asa Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
24,163.93
decreased by 3,592.18
1 Week
21,236.66
decreased by 6,519.45
1 Month
16,896.66
decreased by 10,859.45
Analysis last updated: Sunday, September 20, 2026 at 12:57 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 6, 2020 to Sep 18, 2026Model Insight
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 49 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9257 | 5.34*** |
| αARCH | 0.1399 | 7.71*** |
| βGARCH | 0.8460 | 41.44*** |
Spline Coefficients
K=1
| γ1 | -0.0819 | -1.83* |
0.986
Persistence49d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9257 | 5.34*** |
α ARCH Response to squared shocks | 0.1399 | 7.71*** |
β GARCH Volatility persistence | 0.8460 | 41.44*** |
Spline Coefficients
K=1
| γ1 | -0.0819 | -1.83* |
Persistence:
0.986
Half-life:
49 days
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