V-Lab
Goodtech ASA GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
49.66%
decreased by 1.73%
1 Week
47.49%
decreased by 3.90%
1 Month
43.68%
decreased by 7.71%
Analysis last updated: Sunday, July 26, 2026 at 12:05 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 3, 2020 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days. Returns follow a Student-t distribution with v = 3.29 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 | 6.6175 | 5.66*** |
α ARCH Response to squared shocks | 0.1232 | 7.62*** |
β GARCH Volatility persistence | 0.8466 | 35.80*** |
ν DF Student-t tail thickness | 3.2899 | 5.05*** |
Persistence:
0.847
Half-life:
4 days
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