Tadawul All Share TASI Index Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Saturday, April 18th, 2026
1 Day
14.31%
decreased by 1.09%
1 Week
14.63%
decreased by 0.77%
1 Month
15.77%
increased by 0.37%
Analysis last updated: Friday, April 17, 2026 at 05:10 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8674 | 3.32 | |
| 0.1711 | 11.38 | |
| 0.8153 | 62.13 | |
| -0.0100 | -2.62 | |
| 0.0126 | 2.59 |
Estimation Period:
Oct 19, 1998 to Apr 16, 2026
Oct 19, 1998 to Apr 16, 2026
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