JSE Securities South African Volatility Index GJR-GARCH Volatility Analysis
Volatility prediction for Friday, March 27th, 2026
1 Day
245.37%
decreased by 20.82%
1 Week
230.73%
decreased by 35.46%
1 Month
186.41%
decreased by 79.78%
Analysis last updated: Friday, March 27, 2026 at 07:05 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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