V-Lab
PRA Group Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, September 10th, 2026
1 Day
3,035.90
decreased by 210.55
1 Week
3,336.49
increased by 90.04
1 Month
3,716.65
increased by 470.20
Analysis last updated: Wednesday, September 9, 2026 at 09:24 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 8, 2002 to Sep 4, 2026Model Insight
With persistence 0.991, illiquidity shocks have a half-life of 75 trading days (~0.3 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 0.991, shock half-life ~75 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.4043 | 7.95*** |
| αARCH | 0.0702 | 8.90*** |
| βGARCH | 0.9205 | 112.37*** |
Spline Coefficients
K=1
| γ1 | 0.0055 | 0.89 |
0.991
Persistence75d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4043 | 7.95*** |
α ARCH Response to squared shocks | 0.0702 | 8.90*** |
β GARCH Volatility persistence | 0.9205 | 112.37*** |
Spline Coefficients
K=1
| γ1 | 0.0055 | 0.89 |
Persistence:
0.991
Half-life:
75 days
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