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Dow Jones Euro Stoxx Index GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 7th, 2026

1 Day

10.53%

decreased by 0.36%

1 Week

10.77%

decreased by 0.12%

1 Month

11.62%

increased by 0.73%

Analysis last updated: Friday, September 4, 2026 at 06:22 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Dow Jones Euro Stoxx Index GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 68 trading days, meaning a shock loses half its impact after approximately 68 days. Returns follow a Student-t distribution with v = 6.96 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 68-day half-lifev = 6.96 · fat tails
ParamValuet-stat
ωconst1.4495
1.54
αARCH0.0829
9.12***
βGARCH0.9899
145.98***
νDF6.9639
1.89*

0.990

Persistence

68d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4495
1.54
α

ARCH

Response to squared shocks

0.0829
9.12***
β

GARCH

Volatility persistence

0.9899
145.98***
ν

DF

Student-t tail thickness

6.9639
1.89*

Persistence:

0.990

Half-life:

68 days