Quanex Building Products Corp Spline ILLIQ Liquidity Analysis
Liquidity prediction for Friday, July 17th, 2026
1 Day
5,249.53
increased by 168.65
1 Week
5,193.29
increased by 112.41
1 Month
4,666.52
decreased by 414.36
Analysis last updated: Thursday, July 16, 2026 at 09:48 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
Jan 2, 1990 to Jul 10, 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 62 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7760 | 7.09*** |
α ARCH Response to squared shocks | 0.1100 | 10.02*** |
β GARCH Volatility persistence | 0.8790 | 90.86*** |
Spline Coefficients
K=3
| γ1 | -0.0220 | -5.69*** |
| γ2 | 0.0416 | 7.38*** |
| γ3 | -0.0356 | -7.26*** |
Persistence:
0.989
Half-life:
62 days
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