V-Lab
Hu Group Holdings Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
30.43%
increased by 2.56%
1 Week
30.28%
increased by 2.41%
1 Month
29.99%
increased by 2.12%
Analysis last updated: Saturday, August 8, 2026 at 10:34 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 4, 1990 to Aug 7, 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 | 1.3865 | 7.46*** |
α ARCH Response to squared shocks | 0.1181 | 7.04*** |
β GARCH Volatility persistence | 0.7641 | 24.07*** |
Spline Coefficients
K=10
| γ1 | -0.0725 | -1.55 |
| γ2 | 0.1792 | 2.58*** |
| γ3 | -0.2169 | -4.69*** |
| γ4 | 0.1839 | 4.71*** |
| γ5 | -0.1157 | -3.50*** |
| γ6 | 0.0515 | 1.53 |
| γ7 | 0.0428 | 1.07 |
| γ8 | -0.1346 | -3.03*** |
| γ9 | 0.1447 | 3.29*** |
| γ10 | -0.0828 | -2.39** |
Persistence:
0.882
Half-life:
6 days
Other Hu Group Holdings Inc Analyses
Other Zero Slope Spline-GARCH Analyses on International Equities