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V-Lab

BEVEST ASA GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

114.10%

decreased by 22.21%

1 Week

114.07%

decreased by 22.24%

1 Month

113.93%

decreased by 22.38%

Analysis last updated: Sunday, July 26, 2026 at 04:50 AM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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graph of BEVEST ASA GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 21, 2020 to Jul 24, 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 = 2.81 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

49.9889
4.95***
α

ARCH

Response to squared shocks

0.1510
67.25***
β

GARCH

Volatility persistence

0.9899
564.68***
ν

DF

Student-t tail thickness

2.8061
60.98***

Persistence:

0.990

Half-life:

68 days