Dow Jones South Africa Index MF2-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Friday, June 12th, 2026
1 Day
9.19%
decreased by 17.69%
1 Week
951,243.91%
increased by 951,217.03%
1 Month
1,324,206,479,367,927,000,000,000,000.00%
increased by 1,324,206,479,367,927,000,000,000,000.00%
Analysis last updated: Friday, June 12, 2026 at 10:25 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 26 | ||
| 0.7791 | 7,791,360.00 | |
| 0.0005 | 4,830.00 | |
| 0.4408 | 4,407,630.00 | |
| 1.0217 | 46.05 | |
| 0.0947 | 53.37 | |
| 0.0000 | 0.00 |
Estimation Period:
Jan 1, 1992 to Apr 30, 2026
Jan 1, 1992 to Apr 30, 2026
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