Epiroc Ab Asymmetric ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Liquidity prediction for Wednesday, July 22nd, 2026
1 Day
2,166.47
decreased by 558.09
1 Week
2,931.75
increased by 207.19
1 Month
2,392.77
decreased by 331.79
Analysis last updated: Wednesday, July 22, 2026 at 08:31 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
Aug 8, 2018 to Jul 17, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.6353 | 9.45*** |
α ARCH Response to squared shocks | 0.2416 | 3.32*** |
β GARCH Volatility persistence | 0.7894 | 33.07*** |
γ leverage Additional response to negative shocks | -0.0618 | -0.96 |
Persistence:
1.000
Half-life:
1386294 days
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