V-Lab
Effwa Infra & Research Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 22nd, 2026
1 Day
4,669.35
increased by 1,869.65
1 Week
3,737.84
increased by 938.14
1 Month
4,835.27
increased by 2,035.57
Analysis last updated: Tuesday, September 22, 2026 at 07:44 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 12, 2024 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 14 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 | 1.2153 | 4.77*** |
| αARCH | 0.2280 | 5.29*** |
| βGARCH | 0.7228 | 12.22*** |
Spline Coefficients
K=1
| γ1 | -0.5733 | -1.61 |
0.951
Persistence14d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2153 | 4.77*** |
α ARCH Response to squared shocks | 0.2280 | 5.29*** |
β GARCH Volatility persistence | 0.7228 | 12.22*** |
Spline Coefficients
K=1
| γ1 | -0.5733 | -1.61 |
Persistence:
0.951
Half-life:
14 days
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