V-Lab
ACS Technologies Limited Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 1st, 2026
1 Day
14,038.02
increased by 9,503.24
1 Week
4,684.97
increased by 150.19
1 Month
2,642.34
decreased by 1,892.44
Analysis last updated: Thursday, October 1, 2026 at 08:33 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 24, 2012 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 4 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 | 1.3237 | 1.34 |
| αARCH | 0.4814 | 2.87*** |
| βGARCH | 0.3702 | 4.06*** |
Spline Coefficients
K=9
| γ1 | 5.9847 | 1.72* |
| γ2 | -16.2448 | -3.08*** |
| γ3 | 19.6025 | 3.22*** |
| γ4 | -17.2815 | -2.04** |
| γ5 | 7.9537 | 1.09 |
| γ6 | 10.5347 | 2.03** |
| γ7 | -32.1358 | -7.57*** |
| γ8 | 42.4025 | 11.69*** |
| γ9 | -37.3526 | -6.32*** |
0.852
Persistence4d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3237 | 1.34 |
α ARCH Response to squared shocks | 0.4814 | 2.87*** |
β GARCH Volatility persistence | 0.3702 | 4.06*** |
Spline Coefficients
K=9
| γ1 | 5.9847 | 1.72* |
| γ2 | -16.2448 | -3.08*** |
| γ3 | 19.6025 | 3.22*** |
| γ4 | -17.2815 | -2.04** |
| γ5 | 7.9537 | 1.09 |
| γ6 | 10.5347 | 2.03** |
| γ7 | -32.1358 | -7.57*** |
| γ8 | 42.4025 | 11.69*** |
| γ9 | -37.3526 | -6.32*** |
Persistence:
0.852
Half-life:
4 days
Other ACS Technologies Limited Analyses
Other Spline ILLIQ Analyses on International Equities