V-Lab
Macerich Co/The Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
119.75
decreased by 6.53
1 Week
131.74
increased by 5.46
1 Month
161.27
increased by 34.99
Analysis last updated: Friday, September 18, 2026 at 11:36 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Mar 10, 1994 to Sep 18, 2026Model Insight
With persistence 0.997, illiquidity shocks have a half-life of 216 trading days (~0.9 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 0.997, shock half-life ~216 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.4138 | 5.20*** |
| αARCH | 0.0746 | 13.52*** |
| βGARCH | 0.9222 | 156.41*** |
Spline Coefficients
K=3
| γ1 | -0.0489 | -4.53*** |
| γ2 | 0.0910 | 4.93*** |
| γ3 | -0.0662 | -3.88*** |
0.997
Persistence216d
Half-lifeμ
ILLIQ-SMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4138 | 5.20*** |
α ARCH Response to squared shocks | 0.0746 | 13.52*** |
β GARCH Volatility persistence | 0.9222 | 156.41*** |
Spline Coefficients
K=3
| γ1 | -0.0489 | -4.53*** |
| γ2 | 0.0910 | 4.93*** |
| γ3 | -0.0662 | -3.88*** |
Persistence:
0.997
Half-life:
216 days
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