Hain Celestial Group Inc/The Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, July 13th, 2026
1 Day
77.57%
decreased by 4.36%
1 Week
81.59%
decreased by 0.34%
1 Month
85.82%
increased by 3.89%
Analysis last updated: Friday, July 10, 2026 at 10:07 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 20, 1994 to Jul 10, 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 2 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2929 | 8.25*** |
α ARCH Response to squared shocks | 0.1476 | 4.23*** |
β GARCH Volatility persistence | 0.6097 | 12.10*** |
Spline Coefficients
K=10
| γ1 | -0.0007 | -0.02 |
| γ2 | -0.0093 | -0.13 |
| γ3 | -0.0519 | -1.12 |
| γ4 | 0.1672 | 3.72*** |
| γ5 | -0.1439 | -2.81*** |
| γ6 | 0.0138 | 0.23 |
| γ7 | 0.1002 | 1.60 |
| γ8 | -0.1567 | -1.79* |
| γ9 | 0.1920 | 1.90* |
| γ10 | -0.1873 | -2.80*** |
Persistence:
0.757
Half-life:
2 days
Other Hain Celestial Group Inc/The Analyses
Other Zero Slope Spline-GARCH Analyses on Equities