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V-Lab

Summa Defence OYJ Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:106.57% (+9.33%)
Analysis last updated: Saturday, February 7, 2026 at 09:35 PM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Summa Defence OYJ S0GARCH
paramt-stat
ω1.63291.93
α0.39004.69
β0.60727.23
γ10.21540.06
γ2-5.0104-0.94
γ38.38812.55
γ4-3.4056-1.50
γ5-2.4104-1.18
γ63.32332.28
Estimation Period:
Aug 6, 2020 to Feb 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts