V-Lab
Gipta Ofis Kirtasiye VE PRO Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, September 23rd, 2026
1 Day
9,600.36
increased by 675.18
1 Week
4,682.91
decreased by 4,242.27
1 Month
1,286.71
decreased by 7,638.47
Analysis last updated: Wednesday, September 23, 2026 at 08:11 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 14, 2023 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 2 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 | 1.0964 | 6.44*** |
| αARCH | 0.2549 | 3.98*** |
| βGARCH | 0.3987 | 5.20*** |
Spline Coefficients
K=2
| γ1 | -0.9803 | -3.80*** |
| γ2 | 1.9979 | 4.23*** |
0.654
Persistence2d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0964 | 6.44*** |
α ARCH Response to squared shocks | 0.2549 | 3.98*** |
β GARCH Volatility persistence | 0.3987 | 5.20*** |
Spline Coefficients
K=2
| γ1 | -0.9803 | -3.80*** |
| γ2 | 1.9979 | 4.23*** |
Persistence:
0.654
Half-life:
2 days
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