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Phillips 66 (PSX) Historical Monthly & Quarterly Returns

Dividend-adjusted returns by month and quarter. Compare performance across years.

2026

Jan+11.3%
Feb+8.4%
Mar+18.0%
Apr4.8%
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

2025

Jan+3.5%
Feb+11.0%
Mar4.8%
Apr15.7%
May+10.1%
Jun+5.1%
Jul+3.6%
Aug+9.2%
Sep+1.8%
Oct+0.1%
Nov+1.5%
Dec5.8%

2024

Jan+8.4%
Feb0.5%
Mar+14.6%
Apr12.3%
May+0.0%
Jun0.7%
Jul+3.1%
Aug2.8%
Sep6.3%
Oct7.3%
Nov+10.9%
Dec15.0%

2023

Jan3.7%
Feb+3.3%
Mar1.2%
Apr2.3%
May6.4%
Jun+4.1%
Jul+17.0%
Aug+3.3%
Sep+5.2%
Oct5.1%
Nov+14.0%
Dec+3.3%

2022

Jan+17.0%
Feb+0.4%
Mar+2.6%
Apr+0.4%
May+17.4%
Jun18.7%
Jul+8.6%
Aug+1.6%
Sep9.8%
Oct+29.2%
Nov+4.9%
Dec4.0%

2021

Jan3.1%
Feb+23.9%
Mar1.8%
Apr0.8%
May+5.2%
Jun+1.9%
Jul14.4%
Aug2.0%
Sep1.5%
Oct+6.8%
Nov6.4%
Dec+4.8%

2020

Jan18.0%
Feb17.3%
Mar28.3%
Apr+36.4%
May+8.3%
Jun8.1%
Jul13.7%
Aug4.4%
Sep11.3%
Oct10.0%
Nov+31.9%
Dec+15.5%

2019

Jan+10.8%
Feb+1.8%
Mar1.2%
Apr0.9%
May13.4%
Jun+15.8%
Jul+9.6%
Aug2.9%
Sep+3.8%
Oct+14.1%
Nov1.1%
Dec2.9%

2018

Jan+1.2%
Feb11.1%
Mar+6.2%
Apr+16.0%
May+5.3%
Jun3.6%
Jul+9.8%
Aug3.2%
Sep4.9%
Oct8.8%
Nov8.3%
Dec7.9%

2017

Jan5.5%
Feb3.5%
Mar+1.3%
Apr+0.4%
May3.5%
Jun+8.6%
Jul+1.3%
Aug+0.9%
Sep+9.3%
Oct0.6%
Nov+7.9%
Dec+3.7%

2016

Jan2.0%
Feb0.2%
Mar+9.1%
Apr5.2%
May1.3%
Jun1.3%
Jul4.1%
Aug+4.0%
Sep+2.7%
Oct+0.7%
Nov+3.2%
Dec+4.0%

2015

Jan1.9%
Feb+12.3%
Mar+0.2%
Apr+0.9%
May+0.5%
Jun+1.8%
Jul1.3%
Aug+0.1%
Sep2.8%
Oct+15.9%
Nov+3.4%
Dec10.6%

2014

Jan5.2%
Feb+3.0%
Mar+2.9%
Apr+8.0%
May+2.5%
Jun5.1%
Jul+0.9%
Aug+7.9%
Sep6.6%
Oct3.5%
Nov6.3%
Dec1.8%

2013

Jan+14.1%
Feb+4.5%
Mar+11.1%
Apr12.9%
May+9.8%
Jun11.5%
Jul+4.4%
Aug6.7%
Sep+1.3%
Oct+11.4%
Nov+8.7%
Dec+10.8%

2012

Jan
Feb
Mar
Apr+0.2%
May11.8%
Jun+10.7%
Jul+13.7%
Aug+11.7%
Sep+10.4%
Oct+2.3%
Nov+11.1%
Dec+1.4%

Avg

Jan+1.9%
Feb+2.6%
Mar+2.0%
Apr+0.5%
May+1.6%
Jun0.1%
Jul+2.7%
Aug+1.2%
Sep0.6%
Oct+3.2%
Nov+5.4%
Dec0.3%

Median

Jan0.3%
Feb+2.4%
Mar+1.9%
Apr0.8%
May+1.5%
Jun+0.6%
Jul+3.3%
Aug+0.5%
Sep0.1%
Oct+0.4%
Nov+4.2%
Dec0.2%

Win %

Jan50%
Feb64%
Mar64%
Apr47%
May64%
Jun50%
Jul71%
Aug57%
Sep50%
Oct57%
Nov71%
Dec50%

Frequently asked questions

What is the best performing month for Phillips 66 (PSX) stock?

Historically, November is the best performing month for Phillips 66 (PSX) stock with an average return of +5.38%.

What is the worst performing month for Phillips 66 (PSX) stock?

Historically, September is the worst performing month for Phillips 66 (PSX) stock with an average return of 0.62%.

What is the best performing quarter for Phillips 66 (PSX) stock?

Historically, Q4 is the best performing quarter for Phillips 66 (PSX) stock with an average return of +8.43%.

What is the worst performing quarter for Phillips 66 (PSX) stock?

Historically, Q2 is the worst performing quarter for Phillips 66 (PSX) stock with an average return of +1.23%.

What is the best performing year for Phillips 66 (PSX) stock?

Historically, 2012 is the best performing year for Phillips 66 (PSX) stock with a return of +57.90%.

What is the worst performing year for Phillips 66 (PSX) stock?

Historically, 2020 is the worst performing year for Phillips 66 (PSX) stock with a return of 33.85%.

Which month has the highest win rate for Phillips 66 (PSX) stock?

Historically, July has the highest win rate for Phillips 66 (PSX) stock — positive in 71% of years.

Which month has the lowest win rate for Phillips 66 (PSX) stock?

Historically, April has the lowest win rate for Phillips 66 (PSX) stock — positive in 47% of years.

Which quarter has the highest win rate for Phillips 66 (PSX) stock?

Historically, Q1 has the highest win rate for Phillips 66 (PSX) stock — positive in 71% of years.

Which quarter has the lowest win rate for Phillips 66 (PSX) stock?

Historically, Q2 has the lowest win rate for Phillips 66 (PSX) stock — positive in 40% of years.

Data & methodology

How are returns calculated?

We compare the closing price at the end of each period (month or quarter) with the closing price at the end of the previous period. The return is the percentage change. All prices are adjusted for dividends and stock splits. Based on historical prices from our data provider.

What is average vs median?

Average is the arithmetic mean of returns for each period across years. Median is the middle value. Both exclude empty cells. Use median to reduce impact of outliers.

What does the heatmap show?

Green cells indicate positive returns, red cells indicate negative returns. The darker the color, the stronger the move. Average and Median rows summarize each column across years.

What is Win %?

Percentage of years when the period had a positive return. For example, 80% for January means January was positive in 80% of the years in the selected range.