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E.ON SE GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

21.47%

increased by 2.46%

1 Week

21.62%

increased by 2.61%

1 Month

22.19%

increased by 3.18%

Analysis last updated: Saturday, September 19, 2026 at 08:40 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of E.ON SE GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 67 trading days, meaning a shock loses half its impact after approximately 67 days. Returns follow a Student-t distribution with v = 5.70 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 67-day half-lifev = 5.70 · fat tails
ParamValuet-stat
ωconst3.1279
1.12
αARCH0.0733
8.67***
βGARCH0.9897
101.32***
νDF5.7010
2.05**

0.990

Persistence

67d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.1279
1.12
α

ARCH

Response to squared shocks

0.0733
8.67***
β

GARCH

Volatility persistence

0.9897
101.32***
ν

DF

Student-t tail thickness

5.7010
2.05**

Persistence:

0.990

Half-life:

67 days