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V-Lab

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

Volatility prediction for Monday, July 27th, 2026

1 Day

15.27%

increased by 0.18%

1 Week

15.35%

increased by 0.26%

1 Month

15.68%

increased by 0.59%

Analysis last updated: Friday, July 24, 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 Jul 24, 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 = 6.96 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

1.4616
6.15***
α

ARCH

Response to squared shocks

0.0828
36.55***
β

GARCH

Volatility persistence

0.9899
585.76***
ν

DF

Student-t tail thickness

6.9626
7.55***

Persistence:

0.990

Half-life:

69 days