V-Lab
PRA Group Inc Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 14th, 2026
1 Day
3,084.14
decreased by 144.72
1 Week
3,126.61
decreased by 102.25
1 Month
3,527.85
increased by 298.99
Analysis last updated: Friday, September 11, 2026 at 11:20 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 8, 2002 to Sep 11, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 349 trading days (~1.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 174% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
High persistence: persistence 0.998, shock half-life ~349 daysAsymmetry: Illiquidity rises 174% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 0.64 |
| αARCH | 0.0312 | 3.52*** |
| βGARCH | 0.9398 | 173.20*** |
| γleverage | 0.0542 | 2.95*** |
0.998
Persistence349d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 0.64 |
α ARCH Response to squared shocks | 0.0312 | 3.52*** |
β GARCH Volatility persistence | 0.9398 | 173.20*** |
γ leverage Additional response to negative shocks | 0.0542 | 2.95*** |
Persistence:
0.998
Half-life:
349 days
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