PSI 20 Portuguese Stock Index GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, June 15th, 2026
1 Day
12.88%
increased by 0.30%
1 Week
13.03%
increased by 0.45%
1 Month
13.58%
increased by 1.00%
Analysis last updated: Friday, June 12, 2026 at 05:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 2.0189 | 5.46 | |
| 0.0961 | 59.78 | |
| 0.9944 | 990.48 | |
| 6.6757 | 12.76 |
Estimation Period:
Dec 30, 1992 to Jun 12, 2026
Dec 30, 1992 to Jun 12, 2026
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