V-Lab
Covivio Hotels SACA Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
1,160,169.00
decreased by 16,463.00
1 Week
1,198,004.40
increased by 21,372.40
1 Month
911,442.27
decreased by 265,189.73
Analysis last updated: Saturday, September 19, 2026 at 08:22 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 30, 1996 to Sep 18, 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 12 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 2.5316 | 3.88*** |
| αARCH | 0.1616 | 10.17*** |
| βGARCH | 0.7825 | 37.59*** |
Spline Coefficients
K=9
| γ1 | -0.5539 | -3.54*** |
| γ2 | 0.8168 | 3.73*** |
| γ3 | -0.2425 | -2.15** |
| γ4 | 0.0456 | 0.38 |
| γ5 | -0.0890 | -0.78 |
| γ6 | 0.0243 | 0.29 |
| γ7 | 0.0455 | 0.36 |
| γ8 | -0.1387 | -0.77 |
| γ9 | 0.2707 | 1.17 |
0.944
Persistence12d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.5316 | 3.88*** |
α ARCH Response to squared shocks | 0.1616 | 10.17*** |
β GARCH Volatility persistence | 0.7825 | 37.59*** |
Spline Coefficients
K=9
| γ1 | -0.5539 | -3.54*** |
| γ2 | 0.8168 | 3.73*** |
| γ3 | -0.2425 | -2.15** |
| γ4 | 0.0456 | 0.38 |
| γ5 | -0.0890 | -0.78 |
| γ6 | 0.0243 | 0.29 |
| γ7 | 0.0455 | 0.36 |
| γ8 | -0.1387 | -0.77 |
| γ9 | 0.2707 | 1.17 |
Persistence:
0.944
Half-life:
12 days
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