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Vulcan Infrastructure and Power Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

96.03%

decreased by 1.60%

1 Week

100.38%

increased by 2.75%

1 Month

109.88%

increased by 12.25%

Analysis last updated: Monday, September 14, 2026 at 09:39 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Vulcan Infrastructure and Power Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 15, 2021 to Sep 11, 2026

Model Insight

Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days. Returns follow a Student-t distribution with v = 4.54 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 8-day half-lifev = 4.54 · fat tails
ParamValuet-stat
ωconst57.7191
1.45
αARCH0.0650
1.69*
βGARCH0.9124
18.93***
νDF4.5417
0.47

0.912

Persistence

8d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

57.7191
1.45
α

ARCH

Response to squared shocks

0.0650
1.69*
β

GARCH

Volatility persistence

0.9124
18.93***
ν

DF

Student-t tail thickness

4.5417
0.47

Persistence:

0.912

Half-life:

8 days