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V-Lab

PSI 20 Portuguese Stock Index Spline-GARCH Volatility Analysis

Volatility prediction for Thursday, May 21st, 2026

1 Day

15.39%

increased by 0.10%

1 Week

15.63%

increased by 0.34%

1 Month

16.32%

increased by 1.03%

Analysis last updated: Thursday, May 21, 2026 at 02:18 AM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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graph of PSI 20 Portuguese Stock Index SGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time