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V-Lab

Ghana Stock Exchange Composite Index GARCH Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

16.74%

increased by 0.80%

1 Week

16.28%

increased by 0.34%

1 Month

15.01%

decreased by 0.93%

Analysis last updated: Friday, October 16, 2026 at 11:50 PM UTC

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Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Ghana Stock Exchange Composite Index GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 4, 2011 to Oct 8, 2026

Model Insight

Volatility shocks decay with a half-life of 10 trading days, meaning a shock loses half its impact after approximately 10 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 10-day half-life
ParamValuet-stat
ωconst0.0429
3.08***
αARCH0.1235
4.97***
βGARCH0.8089
19.53***

0.932

Persistence

10d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0429
3.08***
α

ARCH

Response to squared shocks

0.1235
4.97***
β

GARCH

Volatility persistence

0.8089
19.53***

Persistence:

0.932

Half-life:

10 days