V-Lab
Vienna Insurance Group AG Wiener Versicherung Gruppe Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 11th, 2026
1 Day
6,469.00
increased by 1,586.96
1 Week
4,996.14
increased by 114.10
1 Month
4,911.78
increased by 29.74
Analysis last updated: Friday, September 11, 2026 at 06:04 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Nov 11, 1994 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 61 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 | 0.6302 | 2.78*** |
| αARCH | 0.1508 | 9.77*** |
| βGARCH | 0.8378 | 55.06*** |
Spline Coefficients
K=10
| γ1 | -0.2949 | -1.28 |
| γ2 | 0.4217 | 1.09 |
| γ3 | -0.3132 | -0.80 |
| γ4 | -0.3529 | -0.46 |
| γ5 | 1.7316 | 1.47 |
| γ6 | -1.8561 | -1.96* |
| γ7 | 0.8364 | 2.46** |
| γ8 | -0.2317 | -2.12** |
| γ9 | 0.0657 | 0.68 |
| γ10 | -0.1160 | -0.81 |
0.989
Persistence61d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6302 | 2.78*** |
α ARCH Response to squared shocks | 0.1508 | 9.77*** |
β GARCH Volatility persistence | 0.8378 | 55.06*** |
Spline Coefficients
K=10
| γ1 | -0.2949 | -1.28 |
| γ2 | 0.4217 | 1.09 |
| γ3 | -0.3132 | -0.80 |
| γ4 | -0.3529 | -0.46 |
| γ5 | 1.7316 | 1.47 |
| γ6 | -1.8561 | -1.96* |
| γ7 | 0.8364 | 2.46** |
| γ8 | -0.2317 | -2.12** |
| γ9 | 0.0657 | 0.68 |
| γ10 | -0.1160 | -0.81 |
Persistence:
0.989
Half-life:
61 days
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