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V-Lab

PSI 20 Portuguese Stock Index AGARCH Volatility Analysis

Volatility prediction for Tuesday, April 21st, 2026

1 Day

14.52%

decreased by 0.88%

1 Week

14.76%

decreased by 0.64%

1 Month

15.61%

increased by 0.21%

Analysis last updated: Monday, April 20, 2026 at 05:04 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of PSI 20 Portuguese Stock Index AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time