V-Lab
Hain Celestial Group Inc/The GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
87.27%
decreased by 2.53%
1 Week
87.25%
decreased by 2.55%
1 Month
87.19%
decreased by 2.61%
Analysis last updated: Friday, October 2, 2026 at 10:38 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 20, 1994 to Oct 2, 2026Boundary Parameters
Model Insight
With persistence 0.999, volatility shocks have a half-life of 693 trading days (~2.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 4.20 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
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High persistence: persistence 0.999, shock half-life ~693 daysv = 4.20 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 24.4277 | 2.02** |
| αARCH | 0.0412 | 18.76*** |
| βGARCH | 0.9990 | 2,255.08*** |
| νDF | 4.2025 | 13.06*** |
0.999
Persistence693d
Half-life𝑓
GAS-GARCH-T Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 24.4277 | 2.02** |
α ARCH Response to squared shocks | 0.0412 | 18.76*** |
β GARCH Volatility persistence | 0.9990 | 2,255.08*** |
ν DF Student-t tail thickness | 4.2025 | 13.06*** |
Persistence:
0.999
Half-life:
693 days
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