V-Lab
Vistra Corp Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, October 5th, 2026
1 Day
17.03
decreased by 1.87
1 Week
18.65
decreased by 0.25
1 Month
24.36
increased by 5.46
Analysis last updated: Saturday, October 3, 2026 at 12:06 AM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 4, 2016 to Oct 2, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 6027 trading days (~23.9 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 1.000, shock half-life ~6027 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.4528 | 2.87*** |
| αARCH | 0.1111 | 8.63*** |
| βGARCH | 0.8888 | 68.06*** |
Spline Coefficients
K=1
| γ1 | -0.0238 | -0.33 |
1.000
Persistence6027d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.4528 | 2.87*** |
α ARCH Response to squared shocks | 0.1111 | 8.63*** |
β GARCH Volatility persistence | 0.8888 | 68.06*** |
Spline Coefficients
K=1
| γ1 | -0.0238 | -0.33 |
Persistence:
1.000
Half-life:
6027 days
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