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V-Lab

PSI 20 Portuguese Stock Index Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, May 4th, 2026

1 Day

15.47%

increased by 2.14%

1 Week

15.77%

increased by 2.44%

1 Month

16.63%

increased by 3.30%

Analysis last updated: Thursday, April 30, 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 S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time