Goldman Sachs Group Inc/The Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 15th, 2026
1 Day
5.96
decreased by 0.04
1 Week
6.26
increased by 0.26
1 Month
6.99
increased by 0.99
Analysis last updated: Wednesday, October 14, 2026 at 10:40 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 4, 1999 to Oct 9, 2026Model Insight
With persistence 0.997, illiquidity shocks have a half-life of 245 trading days (~1.0 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 0.997, shock half-life ~245 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1100 | 8.41*** |
| αARCH | 0.0551 | 12.31*** |
| βGARCH | 0.9420 | 206.31*** |
Spline Coefficients
K=1
| γ1 | -0.0015 | -1.22 |
0.997
Persistence245d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1100 | 8.41*** |
α ARCH Response to squared shocks | 0.0551 | 12.31*** |
β GARCH Volatility persistence | 0.9420 | 206.31*** |
Spline Coefficients
K=1
| γ1 | -0.0015 | -1.22 |
Persistence:
0.997
Half-life:
245 days
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