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V-Lab

Finnair OYJ Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

44.08%

decreased by 2.13%

1 Week

46.85%

increased by 0.64%

1 Month

50.58%

increased by 4.37%

Analysis last updated: Tuesday, July 14, 2026 at 06:27 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Finnair OYJ S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 17, 1990 to Jul 10, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 3 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.5311
7.32***
α

ARCH

Response to squared shocks

0.1631
8.50***
β

GARCH

Volatility persistence

0.6546
15.30***
γi Spline Coefficients
K=10
γ1-0.1659
-3.74***
γ20.3100
4.75***
γ3-0.2100
-5.30***
γ40.1064
2.97***
γ5-0.0501
-1.44
γ6-0.0187
-0.53
γ70.0900
2.29**
γ8-0.0969
-2.10**
γ90.0329
0.69
γ100.0007
0.02

Persistence:

0.818

Half-life:

3 days