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V-Lab

SMG Swiss Marketplace Group AG GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

49.75%

decreased by 0.31%

1 Week

49.90%

decreased by 0.16%

1 Month

50.42%

increased by 0.36%

Analysis last updated: Saturday, July 25, 2026 at 10:12 PM UTC

Date Range:

from

to

6M ·

All

graph of SMG Swiss Marketplace Group AG GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 23, 2025 to Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 26 trading days, meaning a shock loses half its impact after approximately 26 days. Returns follow a Student-t distribution with v = 9.34 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

11.0219
1.37
α

ARCH

Response to squared shocks

0.0126
0.94
β

GARCH

Volatility persistence

0.9740
9.88***
ν

DF

Student-t tail thickness

9.3402
0.06

Persistence:

0.974

Half-life:

26 days