V-Lab
Noram Drilling AS Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, September 9th, 2026
1 Day
4,999.45
decreased by 1,805.54
1 Week
6,334.60
decreased by 470.39
1 Month
5,392.94
decreased by 1,412.05
Analysis last updated: Wednesday, September 9, 2026 at 08:17 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Aug 29, 2007 to Sep 4, 2026Model Insight
With persistence 0.995, illiquidity shocks have a half-life of 132 trading days (~0.5 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 0.995, shock half-life ~132 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.6779 | 2.74*** |
| αARCH | 0.2859 | 5.19*** |
| βGARCH | 0.7089 | 12.56*** |
Spline Coefficients
K=5
| γ1 | -18.6194 | -4.82*** |
| γ2 | 34.3326 | 6.17*** |
| γ3 | -21.2008 | -7.33*** |
| γ4 | 5.6589 | 2.66*** |
| γ5 | -0.4103 | -0.16 |
0.995
Persistence132d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.6779 | 2.74*** |
α ARCH Response to squared shocks | 0.2859 | 5.19*** |
β GARCH Volatility persistence | 0.7089 | 12.56*** |
Spline Coefficients
K=5
| γ1 | -18.6194 | -4.82*** |
| γ2 | 34.3326 | 6.17*** |
| γ3 | -21.2008 | -7.33*** |
| γ4 | 5.6589 | 2.66*** |
| γ5 | -0.4103 | -0.16 |
Persistence:
0.995
Half-life:
132 days
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