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Ghana Stock Exchange Composite Index GAS-GARCH Student T Volatility Analysis

Volatility prediction for Friday, October 30th, 2026

1 Day

156.99%

increased by 33.52%

1 Week

156.74%

increased by 33.27%

1 Month

156.05%

increased by 32.58%

Analysis last updated: Friday, October 30, 2026 at 06:44 PM UTC

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Date Range:

from

10/29/2024

to

10/29/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Ghana Stock Exchange Composite Index GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 4, 2011 to Oct 29, 2026
Extended Optimization
Convergence Warning

Model Insight

The estimated Student-t degrees of freedom v = 2.00 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.

𝑓

GAS-GARCH-T Model

Tap to view equation

Unreliable tails: v = 2.00 sits at the infinite-variance boundary
ParamValuet-stat
ωlong-run97.1025
1.06
αscore0.1343
10.31***
βpersistence0.9476
18.80***
νDF2.0028
1,619.09***

0.948

Persistence

13d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

97.1025
1.06
α

score

Weight on the scaled score

0.1343
10.31***
β

persistence

Volatility persistence

0.9476
18.80***
ν

DF

Student-t tail thickness

2.0028
1,619.09***

Persistence:

0.948

Half-life:

13 days