AES Corp/VA Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Monday, October 12th, 2026
1 Day
8.99
decreased by 0.05
1 Week
9.78
increased by 0.74
1 Month
11.56
increased by 2.52
Analysis last updated: Saturday, October 10, 2026 at 01:07 AM UTC
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How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 26, 1991 to Oct 9, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 115524 trading days (~458.4 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 1.000, shock half-life ~115524 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1608 | 3.20*** |
| αARCH | 0.0787 | 2.05** |
| βGARCH | 0.9213 | 24.08*** |
Spline Coefficients
K=4
| γ1 | -0.0720 | -0.67 |
| γ2 | 0.0845 | 0.73 |
| γ3 | -0.0133 | -0.34 |
| γ4 | -0.0327 | -0.82 |
1.000
Persistence115524d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1608 | 3.20*** |
α ARCH Response to squared shocks | 0.0787 | 2.05** |
β GARCH Volatility persistence | 0.9213 | 24.08*** |
Spline Coefficients
K=4
| γ1 | -0.0720 | -0.67 |
| γ2 | 0.0845 | 0.73 |
| γ3 | -0.0133 | -0.34 |
| γ4 | -0.0327 | -0.82 |
Persistence:
1.000
Half-life:
115524 days
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