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Rheinmetall AG GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

45.69%

decreased by 1.60%

1 Week

45.49%

decreased by 1.80%

1 Month

44.79%

decreased by 2.50%

Analysis last updated: Wednesday, September 16, 2026 at 08:57 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Rheinmetall AG GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 2, 2019 to Sep 14, 2026

Model Insight

Volatility shocks decay with a half-life of 35 trading days, meaning a shock loses half its impact after approximately 35 days. Returns follow a Student-t distribution with v = 3.77 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 35-day half-lifev = 3.77 · fat tails
ParamValuet-stat
ωconst6.4328
0.95
αARCH0.0633
4.34***
βGARCH0.9804
45.64***
νDF3.7715
2.05**

0.980

Persistence

35d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

6.4328
0.95
α

ARCH

Response to squared shocks

0.0633
4.34***
β

GARCH

Volatility persistence

0.9804
45.64***
ν

DF

Student-t tail thickness

3.7715
2.05**

Persistence:

0.980

Half-life:

35 days