Albert David Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, October 14th, 2026
1 Day
8,757.99
increased by 3,805.14
1 Week
5,795.87
increased by 843.02
1 Month
4,848.20
decreased by 104.65
Analysis last updated: Wednesday, October 14, 2026 at 08:07 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 5, 2010 to Oct 9, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 467 trading days (~1.9 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 0.999, shock half-life ~467 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.7893 | 2.42** |
| αARCH | 0.3543 | 3.30*** |
| βGARCH | 0.6442 | 6.02*** |
Spline Coefficients
K=1
| γ1 | 0.0023 | 0.54 |
0.999
Persistence467d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7893 | 2.42** |
α ARCH Response to squared shocks | 0.3543 | 3.30*** |
β GARCH Volatility persistence | 0.6442 | 6.02*** |
Spline Coefficients
K=1
| γ1 | 0.0023 | 0.54 |
Persistence:
0.999
Half-life:
467 days
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