SCG Construction Group JSC 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 Thursday, May 21st, 2026
1 Day
14.06%
decreased by 0.43%
1 Week
14.40%
decreased by 0.09%
1 Month
15.68%
increased by 1.19%
Analysis last updated: Thursday, May 21, 2026 at 09:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0192 | 6.52 | |
| 0.1958 | 4.20 | |
| 0.8468 | 56.93 | |
| -0.0853 | -1.70 |
Estimation Period:
Oct 25, 2021 to May 15, 2026
Oct 25, 2021 to May 15, 2026
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