Ibovespa Brasil Sao Paulo Stock Exchange Index Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Friday, May 22nd, 2026
1 Day
18.88%
decreased by 0.81%
1 Week
18.94%
decreased by 0.75%
1 Month
19.15%
decreased by 0.54%
Analysis last updated: Friday, May 22, 2026 at 12:02 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 4.6255 | 5.88 | |
| 0.0827 | 8.00 | |
| 0.8853 | 75.18 | |
| 0.0358 | 5.36 | |
| -0.0380 | -4.19 | |
| 0.0020 | 0.40 | |
| 0.0028 | 0.91 |
Estimation Period:
Jan 2, 1990 to May 15, 2026
Jan 2, 1990 to May 15, 2026
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