Phillips 66 (PSX)
S&P 500 · Energy · data since 2012-04-12 · last close 2026-09-09
Phillips 66 (PSX) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 11.3 | 8.4 | 18.1 | -1.7 | -1.1 | -3.9 | 24.6 | 17.1 | 5.8 | · | · | · |
| 2025 | 3.5 | 11.0 | -4.8 | -15.7 | 10.1 | 5.1 | 3.6 | 9.2 | 1.8 | 0.1 | 1.5 | -5.8 |
| 2024 | 8.4 | -0.5 | 14.6 | -12.3 | 0.0 | -0.7 | 3.0 | -2.8 | -6.3 | -7.3 | 11.0 | -15.0 |
| 2023 | -3.7 | 3.3 | -1.1 | -2.4 | -6.4 | 4.1 | 16.9 | 3.3 | 5.3 | -5.1 | 14.0 | 3.3 |
| 2022 | 17.0 | 0.4 | 2.5 | 0.4 | 17.4 | -18.7 | 8.6 | 1.6 | -9.8 | 29.2 | 4.9 | -4.0 |
| 2021 | -3.1 | 23.9 | -1.8 | -0.8 | 5.2 | 1.9 | -14.4 | -2.0 | -1.5 | 6.8 | -6.4 | 4.8 |
| 2020 | -18.0 | -17.2 | -28.3 | 36.4 | 8.3 | -8.1 | -13.7 | -4.4 | -11.3 | -10.0 | 31.9 | 15.4 |
| 2019 | 10.8 | 1.9 | -1.2 | -0.9 | -13.4 | 15.8 | 9.6 | -3.0 | 3.8 | 14.1 | -1.1 | -2.9 |
| 2018 | 1.2 | -11.1 | 6.1 | 16.0 | 5.3 | -3.6 | 9.8 | -3.3 | -4.9 | -8.8 | -8.3 | -7.9 |
| 2017 | -5.5 | -3.4 | 1.3 | 0.4 | -3.5 | 8.7 | 1.3 | 0.9 | 9.3 | -0.6 | 7.9 | 3.7 |
| 2016 | -2.0 | -0.2 | 9.1 | -5.2 | -1.3 | -1.3 | -4.1 | 4.0 | 2.7 | 0.7 | 3.2 | 4.0 |
| 2015 | -1.9 | 12.3 | 0.2 | 0.9 | 0.5 | 1.8 | -1.3 | 0.1 | -2.8 | 15.9 | 3.4 | -10.6 |
| 2014 | -5.2 | 3.0 | 2.9 | 8.0 | 2.5 | -5.1 | 0.8 | 7.9 | -6.6 | -3.5 | -6.3 | -1.8 |
| 2013 | 14.1 | 4.5 | 11.1 | -12.9 | 9.8 | -11.5 | 4.4 | -6.7 | 1.3 | 11.4 | 8.7 | 10.8 |
| 2012 | · | · | · | 0.1 | -11.8 | 10.7 | 13.7 | 11.7 | 10.4 | 2.3 | 11.1 | 1.4 |
| Avg | 1.9 | 2.6 | 2.0 | 0.7 | 1.4 | -0.3 | 4.2 | 2.3 | -0.2 | 3.2 | 5.4 | -0.3 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
PSX seasonality — average by calendar month
Phillips 66 has monthly history back to 2012. Its strongest month by median is November — positive in 10 of 14 years, median +4.2%, and higher in 6 of the last 9. April is the soft spot, down in 8 of 15 with a median of -0.8%. Across its full record it has closed 58% of months higher, swings ±9.5% in an average month and has fallen 64.2% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +1.9% | +2.6% | +2.0% | +0.7% | +1.4% | -0.3% | +4.2% | +2.3% | -0.6% | +3.2% | +5.4% | -0.3% |
| Win rate | 50%/14 | 64%/14 | 64%/14 | 47%/15 | 60%/15 | 47%/15 | 73%/15 | 60%/15 | 50%/14 | 57%/14 | 71%/14 | 50%/14 |
Win rate = share of positive months / sample size.
PSX risk & extremes
PSX drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
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Frequently asked questions
What was Phillips 66's best month?+
Phillips 66's strongest completed month on record is April 2020, at +36.38%.
What was Phillips 66's worst month?+
Its weakest completed month on record is March 2020, at -28.33%.
Is Phillips 66 up this year?+
Phillips 66 is up 105.23% year to date, measured from its last close before 1 January.
What is Phillips 66's 1-year return?+
+101.89% 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 Phillips 66's biggest drawdown?+
The deepest peak-to-trough fall on record is 64.2%, measured on month-end closes since 2012.
Which calendar month is historically best for Phillips 66?+
November has the highest average return across every completed November since 2012. An average is not a forecast.
About Phillips 66
Phillips 66 is an S&P 500 company, an energy business worth about $104 billion. It digs up ancient sunlight and sells it by the barrel — with price receipts on this site going back to 2012. And the long game: $100 at its first close here (2012) would be about $1,165 today.
Did you know?
- Its best month on record was April 2020 at +36.38%; its worst, March 2020 at -28.33%.
- It has closed July in the green 11 out of 15 times — not a promise, just a suspicious habit.
Trivia for entertainment — the numbers come from our price data; the jokes don't.