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Inmocemento S A GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

26.16%

increased by 1.84%

1 Week

28.74%

increased by 4.42%

1 Month

31.05%

increased by 6.73%

Analysis last updated: Sunday, September 20, 2026 at 02:27 AM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of Inmocemento S A GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 12, 2024 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days. Returns follow a Student-t distribution with v = 4.77 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 2-day half-lifev = 4.77 · fat tails
ParamValuet-stat
ωconst4.0591
1.83*
αARCH0.2067
1.27
βGARCH0.7248
5.24***
νDF4.7733
0.59

0.725

Persistence

2d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.0591
1.83*
α

ARCH

Response to squared shocks

0.2067
1.27
β

GARCH

Volatility persistence

0.7248
5.24***
ν

DF

Student-t tail thickness

4.7733
0.59

Persistence:

0.725

Half-life:

2 days