News Corp Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, October 13th, 2026
1 Day
94.48
decreased by 0.15
1 Week
97.69
increased by 3.06
1 Month
105.60
increased by 10.97
Analysis last updated: Monday, October 12, 2026 at 09:32 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 19, 2013 to Oct 9, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 315 trading days (~1.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 199% more after negative returns
μ
ILLIQ-AMEM Model
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High persistence: persistence 0.998, shock half-life ~315 daysAsymmetry: Illiquidity rises 199% more after negative returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.7632 | 1.15 |
| αARCH | 0.0232 | 2.55** |
| βGARCH | 0.9515 | 154.79*** |
| γleverage | 0.0462 | 2.51** |
0.998
Persistence315d
Half-lifeμ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7632 | 1.15 |
α ARCH Response to squared shocks | 0.0232 | 2.55** |
β GARCH Volatility persistence | 0.9515 | 154.79*** |
γ leverage Additional response to negative shocks | 0.0462 | 2.51** |
Persistence:
0.998
Half-life:
315 days
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