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

Volatility prediction for Monday, October 26th, 2026

1 Day

15.18%

decreased by 0.81%

1 Week

15.27%

decreased by 0.72%

1 Month

15.60%

decreased by 0.39%

Analysis last updated: Friday, October 23, 2026 at 06:16 PM UTC

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Date Range:

from

10/23/2024

to

10/23/2026

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 Oct 23, 2026

Model Insight

Volatility shocks decay with a half-life of 69 trading days, meaning a shock loses half its impact after approximately 69 days. Returns follow a Student-t distribution with v = 7.32 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 69-day half-lifev = 7.32 · fat tails
ParamValuet-stat
ωlong-run1.4619
1.57
αscore0.0837
9.24***
βpersistence0.9900
148.07***
νDF7.3219
1.76*

0.990

Persistence

69d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

1.4619
1.57
α

score

Weight on the scaled score

0.0837
9.24***
β

persistence

Volatility persistence

0.9900
148.07***
ν

DF

Student-t tail thickness

7.3219
1.76*

Persistence:

0.990

Half-life:

69 days