Macerich Co/The Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Wednesday, October 28th, 2026
1 Day
167.25
decreased by 2.21
1 Week
168.60
decreased by 0.86
1 Month
135.31
decreased by 34.15
Analysis last updated: Tuesday, October 27, 2026 at 10:31 PM UTC
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How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Mar 10, 1994 to Oct 23, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 99021 trading days (~392.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 1.000, shock half-life ~99021 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1937 | 4.17*** |
| αARCH | 0.0726 | 2.80*** |
| βGARCH | 0.9273 | 35.79*** |
Spline Coefficients
K=1
| γ1 | -0.0046 | -0.33 |
1.000
Persistence99021d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1937 | 4.17*** |
α ARCH Response to squared shocks | 0.0726 | 2.80*** |
β GARCH Volatility persistence | 0.9273 | 35.79*** |
Spline Coefficients
K=1
| γ1 | -0.0046 | -0.33 |
Persistence:
1.000
Half-life:
99021 days
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