V-Lab
Goldman Sachs Group Inc/The Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 25th, 2026
1 Day
9.30
increased by 0.09
1 Week
9.19
decreased by 0.02
1 Month
9.08
decreased by 0.13
Analysis last updated: Thursday, September 24, 2026 at 09:38 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 4, 1999 to Sep 18, 2026Model Insight
With persistence 0.997, illiquidity shocks have a half-life of 253 trading days (~1.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 233% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
High persistence: persistence 0.997, shock half-life ~253 daysAsymmetry: Illiquidity rises 233% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0727 | 2.50** |
| αARCH | 0.0207 | 3.91*** |
| βGARCH | 0.9526 | 245.76*** |
| γleverage | 0.0481 | 4.90*** |
0.997
Persistence253d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0727 | 2.50** |
α ARCH Response to squared shocks | 0.0207 | 3.91*** |
β GARCH Volatility persistence | 0.9526 | 245.76*** |
γ leverage Additional response to negative shocks | 0.0481 | 4.90*** |
Persistence:
0.997
Half-life:
253 days
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