V-Lab
Onterris Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
87.93%
decreased by 0.77%
1 Week
86.17%
decreased by 2.53%
1 Month
80.69%
decreased by 8.01%
Analysis last updated: Tuesday, August 25, 2026 at 09:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 23, 2020 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 15 trading days, meaning a shock loses half its impact after approximately 15 days. Returns follow a Student-t distribution with v = 4.44 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 16.8378 | 3.50*** |
α ARCH Response to squared shocks | 0.0424 | 5.03*** |
β GARCH Volatility persistence | 0.9540 | 58.02*** |
ν DF Student-t tail thickness | 4.4422 | 1.53 |
Persistence:
0.954
Half-life:
15 days
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