Finnair OYJ GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
51.11%
decreased by 3.43%
1 Week
50.88%
decreased by 3.66%
1 Month
50.08%
decreased by 4.46%
Analysis last updated: Tuesday, July 14, 2026 at 06:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 17, 1990 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days. Returns follow a Student-t distribution with v = 3.52 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 | 8.0280 | 7.14*** |
α ARCH Response to squared shocks | 0.0813 | 40.71*** |
β GARCH Volatility persistence | 0.9800 | 383.10*** |
ν DF Student-t tail thickness | 3.5241 | 23.32*** |
Persistence:
0.980
Half-life:
34 days
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