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V-Lab

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

Volatility prediction for Monday, August 17th, 2026

1 Day

10.03%

decreased by 0.47%

1 Week

10.29%

decreased by 0.21%

1 Month

11.22%

increased by 0.72%

Analysis last updated: Friday, August 14, 2026 at 06:18 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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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 Aug 14, 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 = 6.95 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4522
6.16***
α

ARCH

Response to squared shocks

0.0829
36.52***
β

GARCH

Volatility persistence

0.9899
582.28***
ν

DF

Student-t tail thickness

6.9525
7.56***

Persistence:

0.990

Half-life:

68 days