V-Lab
Nice ONE Beauty Digital Mark GAS-GARCH Student T Volatility Analysis
Volatility prediction for Sunday, September 20th, 2026
1 Day
31.57%
1 Week
31.85%
1 Month
32.94%
Analysis last updated: Friday, September 18, 2026 at 09:00 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 8, 2025 to Sep 17, 2026Model Insight
With persistence 0.996, volatility shocks have a half-life of 197 trading days (~0.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 3.74 degrees of freedom, capturing fatter tails than a normal distribution.
GAS-GARCH-T Model
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| Param | Value | t-stat |
|---|---|---|
| ωconst | 14.1786 | 1.61 |
| αARCH | 0.0437 | 4.15*** |
| βGARCH | 0.9965 | 86.69*** |
| νDF | 3.7409 | 1.66* |
0.996
Persistence197d
Half-lifeGAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 14.1786 | 1.61 |
α ARCH Response to squared shocks | 0.0437 | 4.15*** |
β GARCH Volatility persistence | 0.9965 | 86.69*** |
ν DF Student-t tail thickness | 3.7409 | 1.66* |
Persistence:
0.996
Half-life:
197 days
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