V-Lab
Buffalo Co Ltd 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 Thursday, October 1st, 2026
1 Day
8,239.73
increased by 3,268.82
1 Week
4,862.00
decreased by 108.91
1 Month
4,247.30
decreased by 723.61
Analysis last updated: Thursday, October 1, 2026 at 09:05 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 26, 2004 to Sep 25, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 43321 trading days (~171.9 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 ~43321 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0150 | 0.44 |
| αARCH | 0.1614 | 0.04 |
| βGARCH | 0.8386 | 0.20 |
Spline Coefficients
K=5
| γ1 | -0.5700 | -0.37 |
| γ2 | 0.6515 | 0.39 |
| γ3 | -0.1537 | -1.02 |
| γ4 | 0.1790 | 0.65 |
| γ5 | -0.2232 | -0.63 |
1.000
Persistence43321d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0150 | 0.44 |
α ARCH Response to squared shocks | 0.1614 | 0.04 |
β GARCH Volatility persistence | 0.8386 | 0.20 |
Spline Coefficients
K=5
| γ1 | -0.5700 | -0.37 |
| γ2 | 0.6515 | 0.39 |
| γ3 | -0.1537 | -1.02 |
| γ4 | 0.1790 | 0.65 |
| γ5 | -0.2232 | -0.63 |
Persistence:
1.000
Half-life:
43321 days
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