V-Lab
N-able Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 22nd, 2026
1 Day
3,480.95
decreased by 120.93
1 Week
3,697.28
increased by 95.40
1 Month
4,358.13
increased by 756.25
Analysis last updated: Monday, September 21, 2026 at 09:46 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 20, 2021 to Sep 18, 2026Model Insight
With persistence 0.994, illiquidity shocks have a half-life of 125 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 0.994, shock half-life ~125 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1377 | 4.35*** |
| αARCH | 0.0641 | 6.54*** |
| βGARCH | 0.9304 | 92.18*** |
Spline Coefficients
K=1
| γ1 | -0.0184 | -0.31 |
0.994
Persistence125d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1377 | 4.35*** |
α ARCH Response to squared shocks | 0.0641 | 6.54*** |
β GARCH Volatility persistence | 0.9304 | 92.18*** |
Spline Coefficients
K=1
| γ1 | -0.0184 | -0.31 |
Persistence:
0.994
Half-life:
125 days
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