South African Rand GJR-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Monday, April 27th, 2026
1 Day
11.70%
increased by 0.05%
1 Week
11.74%
increased by 0.09%
1 Month
11.89%
increased by 0.24%
Analysis last updated: Friday, April 24, 2026 at 07:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0018 | 9.88 | |
| 0.0795 | 26.57 | |
| 0.9382 | 524.44 | |
| -0.0355 | -9.30 |
Estimation Period:
Jan 2, 1990 to Apr 24, 2026
Jan 2, 1990 to Apr 24, 2026
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