V-Lab
CIE Automotive SA Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, September 7th, 2026
1 Day
4,799.32
decreased by 10.99
1 Week
4,364.98
decreased by 445.33
1 Month
5,066.93
increased by 256.62
Analysis last updated: Sunday, September 6, 2026 at 01:59 AM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 28, 1997 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 48 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 | 3.1284 | 2.59*** |
| αARCH | 0.1087 | 10.86*** |
| βGARCH | 0.8769 | 58.73*** |
Spline Coefficients
K=8
| γ1 | -0.0801 | -0.70 |
| γ2 | -0.0902 | -0.59 |
| γ3 | 0.5190 | 5.36*** |
| γ4 | -0.6077 | -7.38*** |
| γ5 | 0.3235 | 4.22*** |
| γ6 | 0.0065 | 0.09 |
| γ7 | -0.0464 | -0.75 |
| γ8 | -0.1410 | -1.55 |
0.986
Persistence48d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.1284 | 2.59*** |
α ARCH Response to squared shocks | 0.1087 | 10.86*** |
β GARCH Volatility persistence | 0.8769 | 58.73*** |
Spline Coefficients
K=8
| γ1 | -0.0801 | -0.70 |
| γ2 | -0.0902 | -0.59 |
| γ3 | 0.5190 | 5.36*** |
| γ4 | -0.6077 | -7.38*** |
| γ5 | 0.3235 | 4.22*** |
| γ6 | 0.0065 | 0.09 |
| γ7 | -0.0464 | -0.75 |
| γ8 | -0.1410 | -1.55 |
Persistence:
0.986
Half-life:
48 days
Other CIE Automotive SA Analyses
Other Spline ILLIQ Analyses on International Equities