V-Lab
CIDI Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 29th, 2026
1 Day
18,781.57
increased by 11,422.29
1 Week
6,930.08
decreased by 429.20
1 Month
3,175.13
decreased by 4,184.15
Analysis last updated: Tuesday, September 29, 2026 at 06:58 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 19, 2025 to Sep 25, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 342 trading days (~1.4 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 0.998, shock half-life ~342 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.6071 | 7.65*** |
| αARCH | 0.5080 | 7.31*** |
| βGARCH | 0.4899 | 7.11*** |
Spline Coefficients
K=1
| γ1 | -19.0250 | -1.49 |
0.998
Persistence342d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6071 | 7.65*** |
α ARCH Response to squared shocks | 0.5080 | 7.31*** |
β GARCH Volatility persistence | 0.4899 | 7.11*** |
Spline Coefficients
K=1
| γ1 | -19.0250 | -1.49 |
Persistence:
0.998
Half-life:
342 days
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