V-Lab
Quercus Tfi Sa Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 28th, 2026
1 Day
76,230.95
decreased by 9,307.35
1 Week
81,516.34
decreased by 4,021.96
1 Month
53,226.84
decreased by 32,311.46
Analysis last updated: Saturday, September 26, 2026 at 10:45 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 11, 2008 to Sep 25, 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 31 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 | 11.4508 | 1.63 |
| αARCH | 0.3264 | 6.13*** |
| βGARCH | 0.6514 | 18.04*** |
Spline Coefficients
K=10
| γ1 | -0.6719 | -0.56 |
| γ2 | 2.4904 | 1.48 |
| γ3 | -17.7401 | -5.70*** |
| γ4 | 33.2055 | 4.01*** |
| γ5 | -6.6146 | -0.65 |
| γ6 | -28.2666 | -2.77*** |
| γ7 | 24.9603 | 3.64*** |
| γ8 | -10.8401 | -2.83*** |
| γ9 | 1.7531 | 0.50 |
| γ10 | 7.3874 | 1.28 |
0.978
Persistence31d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 11.4508 | 1.63 |
α ARCH Response to squared shocks | 0.3264 | 6.13*** |
β GARCH Volatility persistence | 0.6514 | 18.04*** |
Spline Coefficients
K=10
| γ1 | -0.6719 | -0.56 |
| γ2 | 2.4904 | 1.48 |
| γ3 | -17.7401 | -5.70*** |
| γ4 | 33.2055 | 4.01*** |
| γ5 | -6.6146 | -0.65 |
| γ6 | -28.2666 | -2.77*** |
| γ7 | 24.9603 | 3.64*** |
| γ8 | -10.8401 | -2.83*** |
| γ9 | 1.7531 | 0.50 |
| γ10 | 7.3874 | 1.28 |
Persistence:
0.978
Half-life:
31 days
Other Quercus Tfi Sa Analyses
Other Spline ILLIQ Analyses on International Equities