V-Lab
Ghana Stock Exchange Composite Index GARCH Volatility Analysis
Volatility prediction for Friday, August 28th, 2026
1 Day
9.45%
increased by 0.12%
1 Week
9.93%
increased by 0.60%
1 Month
11.08%
increased by 1.75%
Analysis last updated: Friday, August 28, 2026 at 08:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 4, 2011 to Apr 30, 2026Model 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
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0436 | 12.16*** |
α ARCH Response to squared shocks | 0.1254 | 19.63*** |
β GARCH Volatility persistence | 0.8068 | 75.88*** |
Persistence:
0.932
Half-life:
10 days
Other Ghana Stock Exchange Composite Index Analyses
Other GARCH Analyses on Equity Indices