Prothena Corp PLC ILLIQ-MFMEM Liquidity Analysis
Liquidity prediction for Monday, July 13th, 2026
1 Day
5,008.98
1 Week
4,775.82
1 Month
5,399.44
Analysis last updated: Friday, July 10, 2026 at 10:25 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
Dec 21, 2012 to Jul 10, 2026Model Insight
Illiquidity shocks decay with a half-life of 15 trading days, meaning a shock loses half its impact after approximately 15 days. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.
ILLIQ-MFMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 106 | |
α ARCH Response to squared shocks | 0.0828 | 9.68*** |
β GARCH Volatility persistence | 0.9142 | 508.46*** |
γ leverage Additional response to negative shocks | -0.0828 | -4.70*** |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 30.69*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.1149 | 81.56*** |
λ₃ tau persistence Long-term factor persistence | 0.8502 | 43.30*** |
Persistence:
0.956
Half-life:
15 days
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