V-Lab
UBS CH Property Fund - Swiss Mixed Sima Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
1,327.80
decreased by 175.58
1 Week
1,345.16
decreased by 158.22
1 Month
1,779.61
increased by 276.23
Analysis last updated: Friday, September 11, 2026 at 09:55 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 23, 1990 to Sep 4, 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 13 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 | 1.3604 | 4.71*** |
| αARCH | 0.1273 | 9.66*** |
| βGARCH | 0.8215 | 31.88*** |
Spline Coefficients
K=3
| γ1 | -0.0140 | -3.96*** |
| γ2 | 0.0209 | 4.50*** |
| γ3 | -0.0095 | -3.18*** |
0.949
Persistence13d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3604 | 4.71*** |
α ARCH Response to squared shocks | 0.1273 | 9.66*** |
β GARCH Volatility persistence | 0.8215 | 31.88*** |
Spline Coefficients
K=3
| γ1 | -0.0140 | -3.96*** |
| γ2 | 0.0209 | 4.50*** |
| γ3 | -0.0095 | -3.18*** |
Persistence:
0.949
Half-life:
13 days
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