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V-Lab

Samhallsbygg I Nor GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

68.52%

decreased by 3.84%

1 Week

70.96%

decreased by 1.40%

1 Month

78.75%

increased by 6.39%

Analysis last updated: Saturday, August 22, 2026 at 08:33 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Samhallsbygg I Nor GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 3, 2023 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 29 trading days, meaning a shock loses half its impact after approximately 29 days. Returns follow a Student-t distribution with v = 2.82 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

47.7476
2.74***
α

ARCH

Response to squared shocks

0.0801
23.33***
β

GARCH

Volatility persistence

0.9762
133.84***
ν

DF

Student-t tail thickness

2.8204
14.16***

Persistence:

0.976

Half-life:

29 days