PSI 20 Portuguese Stock Index Asy. Power MEM Volatility Analysis
Volatility prediction for Thursday, May 21st, 2026
1 Day
15.81%
increased by 0.14%
1 Week
15.15%
decreased by 0.52%
1 Month
13.26%
decreased by 2.41%
Analysis last updated: Thursday, May 21, 2026 at 02:18 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0277 | 31.34 | |
| 0.2371 | 78.44 | |
| 0.7566 | 256.31 | |
| 0.1364 | 27.50 | |
| 1.1019 | 25.95 |
Estimation Period:
Jul 18, 1997 to May 15, 2026
Jul 18, 1997 to May 15, 2026
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