News Corp Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, October 13th, 2026
1 Day
81.76
increased by 4.88
1 Week
79.17
increased by 2.29
1 Month
85.94
increased by 9.06
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
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 41 trading days.
μ
ILLIQ-SMEM Model
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Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.3812 | 13.97*** |
| αARCH | 0.0598 | 7.77*** |
| βGARCH | 0.9236 | 89.69*** |
Spline Coefficients
K=1
| γ1 | -0.0254 | -7.84*** |
0.983
Persistence41d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3812 | 13.97*** |
α ARCH Response to squared shocks | 0.0598 | 7.77*** |
β GARCH Volatility persistence | 0.9236 | 89.69*** |
Spline Coefficients
K=1
| γ1 | -0.0254 | -7.84*** |
Persistence:
0.983
Half-life:
41 days
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