V-Lab
Eventide International ETF GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
16.82%
decreased by 0.74%
1 Week
16.78%
decreased by 0.78%
1 Month
16.65%
decreased by 0.91%
Analysis last updated: Friday, July 24, 2026 at 10:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 17, 2025 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days. Returns follow a Student-t distribution with v = 5.78 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 | 1.0507 | 2.21** |
α ARCH Response to squared shocks | 0.0610 | 1.76* |
β GARCH Volatility persistence | 0.9591 | 68.32*** |
ν DF Student-t tail thickness | 5.7845 | 0.57 |
Persistence:
0.959
Half-life:
17 days
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