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V-Lab

PSI 20 Portuguese Stock Index GAS-GARCH Student T Volatility Analysis

Volatility prediction for Friday, May 22nd, 2026

1 Day

15.98%

decreased by 1.12%

1 Week

16.07%

decreased by 1.03%

1 Month

16.41%

decreased by 0.69%

Analysis last updated: Friday, May 22, 2026 at 02:15 AM UTC

Date Range:

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to

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1Y ·

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graph of PSI 20 Portuguese Stock Index GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time