V-Lab
Paycom Software Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, August 26th, 2026
1 Day
150.08
decreased by 5.36
1 Week
164.49
increased by 9.05
1 Month
205.29
increased by 49.85
Analysis last updated: Tuesday, August 25, 2026 at 09:48 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 15, 2014 to Aug 21, 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 37 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4343 | 8.79*** |
α ARCH Response to squared shocks | 0.0805 | 9.23*** |
β GARCH Volatility persistence | 0.9012 | 83.11*** |
Spline Coefficients
K=2
| γ1 | 0.0239 | 2.05** |
| γ2 | 0.0016 | 0.07 |
Persistence:
0.982
Half-life:
37 days
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