V-Lab
Mcgraw Hill Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, July 29th, 2026
1 Day
6,450.10
increased by 234.42
1 Week
5,902.35
decreased by 313.33
1 Month
5,118.40
decreased by 1,097.28
Analysis last updated: Tuesday, July 28, 2026 at 09:37 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 24, 2025 to Jul 24, 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 20 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1008 | 5.68*** |
α ARCH Response to squared shocks | 0.0924 | 2.54** |
β GARCH Volatility persistence | 0.8738 | 19.26*** |
Spline Coefficients
K=1
| γ1 | -1.6717 | -1.47 |
Persistence:
0.966
Half-life:
20 days
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