V-Lab
Standard Bank PLC/Malawi 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 Friday, August 28th, 2026
1 Day
8,635.85
increased by 8,458.52
1 Week
2,209.21
increased by 2,031.88
1 Month
427.97
increased by 250.64
Analysis last updated: Friday, August 28, 2026 at 08:43 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 12, 2012 to Aug 21, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 77016 trading days (~305.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6243 | 0.00 |
α ARCH Response to squared shocks | 0.3490 | 0.00 |
β GARCH Volatility persistence | 0.6510 | 0.00 |
Spline Coefficients
K=10
| γ1 | 27.8321 | 0.00 |
| γ2 | -61.7677 | 0.00 |
| γ3 | 44.5245 | 0.01 |
| γ4 | -7.1767 | 0.00 |
| γ5 | -19.4982 | 0.00 |
| γ6 | 7.5156 | 0.00 |
| γ7 | 50.5113 | 0.02 |
| γ8 | -98.7948 | -0.09 |
| γ9 | 118.5189 | 0.02 |
| γ10 | -143.8224 | -0.02 |
Persistence:
1.000
Half-life:
77016 days
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