JSE Securities South African Volatility Index GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 3rd, 2026
1 Day
102.87%
increased by 14.17%
1 Week
98.52%
increased by 9.82%
1 Month
85.93%
decreased by 2.77%
Analysis last updated: Friday, July 3, 2026 at 10:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8976 | 14.13 | |
| 0.1206 | 11.67 | |
| 0.8360 | 99.96 | |
| -0.0442 | -2.46 |
Estimation Period:
Feb 1, 2007 to Apr 4, 2025
Feb 1, 2007 to Apr 4, 2025
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