PSI 20 Portuguese Stock Index MF2-GARCH Volatility Analysis
Volatility prediction for Friday, May 22nd, 2026
1 Day
14.33%
decreased by 0.61%
1 Week
15.33%
increased by 0.39%
1 Month
16.75%
increased by 1.81%
Analysis last updated: Friday, May 22, 2026 at 02:15 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 21 | ||
| 0.0566 | 17.12 | |
| 0.6865 | 79.37 | |
| 0.1964 | 29.06 | |
| 0.0070 | 3.50 | |
| 0.0522 | 7.81 | |
| 0.9427 | 132.95 |
Estimation Period:
Dec 30, 1992 to May 15, 2026
Dec 30, 1992 to May 15, 2026
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