V-Lab
IGB Reit Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 21st, 2026
1 Day
1,279.21
decreased by 36.99
1 Week
1,358.65
increased by 42.45
1 Month
2,064.83
increased by 748.63
Analysis last updated: Sunday, September 20, 2026 at 12:41 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 21, 2012 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 6 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 | 0.7311 | 7.24*** |
| αARCH | 0.1246 | 6.36*** |
| βGARCH | 0.7700 | 21.11*** |
Spline Coefficients
K=5
| γ1 | -0.2920 | -3.97*** |
| γ2 | 0.2647 | 2.20** |
| γ3 | 0.1787 | 1.77* |
| γ4 | -0.3759 | -4.52*** |
| γ5 | 0.4429 | 5.20*** |
0.895
Persistence6d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7311 | 7.24*** |
α ARCH Response to squared shocks | 0.1246 | 6.36*** |
β GARCH Volatility persistence | 0.7700 | 21.11*** |
Spline Coefficients
K=5
| γ1 | -0.2920 | -3.97*** |
| γ2 | 0.2647 | 2.20** |
| γ3 | 0.1787 | 1.77* |
| γ4 | -0.3759 | -4.52*** |
| γ5 | 0.4429 | 5.20*** |
Persistence:
0.895
Half-life:
6 days
Other IGB Reit Analyses
Other Spline ILLIQ Analyses on Real Estate