PSI 20 (PSI20)
Benchmark index · Portugal · data since 2013-04-30 · last close 2026-09-09
PSI 20 (PSI20) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 4.8 | 7.1 | -1.6 | 2.3 | -2.9 | 0.6 | -0.2 | 3.5 | 0.1 | · | · | · |
| 2025 | 2.3 | 4.2 | 1.0 | 1.9 | 5.7 | 0.9 | 3.4 | 0.6 | 2.5 | 5.9 | -3.8 | 1.9 |
| 2024 | -1.1 | -2.6 | 2.0 | 5.3 | 3.9 | -5.7 | 3.5 | 0.8 | 0.5 | -3.8 | -1.8 | -0.6 |
| 2023 | 2.8 | 2.9 | -0.2 | 2.7 | -7.8 | 3.3 | 3.6 | 0.6 | -1.4 | 2.7 | 3.5 | -1.2 |
| 2022 | -0.1 | -0.0 | 8.5 | -1.8 | 5.5 | -3.4 | 1.3 | -2.1 | -11.6 | 7.8 | 2.5 | -2.3 |
| 2021 | -2.1 | -1.9 | 4.8 | 2.5 | 3.8 | -4.0 | -0.2 | 7.8 | 0.8 | 5.0 | -5.2 | 2.5 |
| 2020 | 0.7 | -9.3 | -14.6 | 5.3 | 1.1 | 1.4 | -2.1 | 0.1 | -5.4 | -3.0 | 16.7 | 6.4 |
| 2019 | 8.4 | 1.1 | 0.4 | 3.5 | -6.4 | 1.9 | -2.5 | -2.5 | 1.8 | 2.9 | 0.1 | 1.7 |
| 2018 | 5.1 | -3.5 | -1.1 | 2.3 | -1.1 | 1.1 | 1.6 | -3.5 | -1.2 | -6.1 | -2.3 | -3.7 |
| 2017 | -4.4 | 3.9 | 7.7 | 0.5 | 5.1 | -2.6 | 0.7 | -0.6 | 4.9 | 1.2 | -2.1 | 0.5 |
| 2016 | -4.7 | -5.9 | 5.3 | 0.6 | -1.9 | -10.2 | 6.6 | -0.8 | -2.4 | 1.2 | -4.2 | 5.0 |
| 2015 | 7.2 | 10.6 | 4.9 | 2.1 | -4.2 | -4.9 | 3.0 | -8.0 | -4.1 | 8.3 | -2.2 | -0.7 |
| 2014 | 2.1 | 10.2 | 3.1 | -2.0 | -4.6 | -4.4 | -12.1 | -0.6 | -3.4 | -9.0 | -0.9 | -7.3 |
| 2013 | · | · | · | 0.0 | -5.0 | -6.4 | 3.0 | 1.5 | 2.5 | 4.9 | 4.7 | 0.3 |
| Avg | 1.6 | 1.3 | 1.6 | 1.8 | -0.6 | -2.3 | 0.7 | -0.2 | -1.2 | 1.4 | 0.4 | 0.2 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
PSI20 seasonality — average by calendar month
PSI 20 has monthly history back to 2013. Its strongest month by median is October — positive in 9 of 13 years, median +2.7%, and higher in 6 of the last 9. June is the soft spot, down in 8 of 14 with a median of -3.0%. Across its full record it has closed 56% of months higher, swings ±4.6% in an average month and has fallen 53.5% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +1.6% | +1.3% | +1.6% | +1.8% | -0.6% | -2.3% | +0.7% | -0.2% | -1.3% | +1.4% | +0.4% | +0.2% |
| Win rate | 62%/13 | 54%/13 | 69%/13 | 79%/14 | 43%/14 | 43%/14 | 64%/14 | 50%/14 | 46%/13 | 69%/13 | 38%/13 | 54%/13 |
Win rate = share of positive months / sample size.
PSI20 risk & extremes
PSI20 drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
Frequently asked questions
What was PSI 20's best month?+
PSI 20's strongest completed month on record is November 2020, at +16.72%.
What was PSI 20's worst month?+
Its weakest completed month on record is March 2020, at -14.61%.
Is PSI 20 up this year?+
PSI 20 is up 14.30% year to date, measured from its last close before 1 January.
What is PSI 20's 1-year return?+
+22.86% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is PSI 20's biggest drawdown?+
The deepest peak-to-trough fall on record is 53.5%, measured on month-end closes since 2013.
Which calendar month is historically best for PSI 20?+
April has the highest average return across every completed April since 2013. An average is not a forecast.
About PSI 20
PSI 20 isn't a company — it's the scoreboard: Portugal's benchmark index, tracked here like any other asset, no CEO, no earnings calls, just the crowd's verdict in one number — with price history on this site back to 2013. Since 2013 it has ground out +51% overall — not every story is a rocket.
Did you know?
- Its best month on record was November 2020 at +16.72%; its worst, March 2020 at -14.61%.
- It has closed April in the green 11 out of 14 times — past performance, future shrug.
Trivia for entertainment — the numbers come from our price data; the jokes don't.