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PMA Graphene Technology Group Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, October 26th, 2026

1 Day

100.39%

decreased by 4.95%

1 Week

123.27%

increased by 17.93%

1 Month

146.83%

increased by 41.49%

Analysis last updated: Friday, October 23, 2026 at 10:32 PM UTC

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Date Range:

from

10/23/2024

to

10/23/2026

6M ·

1Y ·

All

graph of PMA Graphene Technology Group Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 22, 2024 to Oct 23, 2026

Model Insight

Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days. Returns follow a Student-t distribution with v = 3.13 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 3-day half-lifev = 3.13 · fat tails
ParamValuet-stat
ωlong-run106.4533
0.88
αscore0.2037
1.40
βpersistence0.7843
3.16***
νDF3.1284
1.05

0.784

Persistence

3d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

106.4533
0.88
α

score

Weight on the scaled score

0.2037
1.40
β

persistence

Volatility persistence

0.7843
3.16***
ν

DF

Student-t tail thickness

3.1284
1.05

Persistence:

0.784

Half-life:

3 days