V-Lab
Hu Group Holdings Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
23.50%
increased by 0.02%
1 Week
24.75%
increased by 1.27%
1 Month
27.11%
increased by 3.63%
Analysis last updated: Sunday, July 26, 2026 at 02:37 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 4, 1990 to Jul 24, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 6 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4366 | 7.73*** |
α ARCH Response to squared shocks | 0.1148 | 6.92*** |
β GARCH Volatility persistence | 0.7712 | 24.56*** |
Spline Coefficients
K=10
| γ1 | -0.0649 | -1.39 |
| γ2 | 0.1706 | 2.45** |
| γ3 | -0.2156 | -4.59*** |
| γ4 | 0.1831 | 4.63*** |
| γ5 | -0.1138 | -3.39*** |
| γ6 | 0.0484 | 1.41 |
| γ7 | 0.0460 | 1.14 |
| γ8 | -0.1358 | -3.01*** |
| γ9 | 0.1422 | 3.18*** |
| γ10 | -0.0790 | -2.23** |
Persistence:
0.886
Half-life:
6 days
Other Hu Group Holdings Inc Analyses
Other Zero Slope Spline-GARCH Analyses on International Equities