What If You Invested $1,000 in Phillips 66 (PSX)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
Phillips 66
PSX
Historical extremes
Maximum profit (buy at all-time low, sell at peak), maximum drawdown (peak to trough), and total return from IPO to current price.
Max profit
+838.62% (9.39 times)
- Buy
- May 7, 2012
- $18.55
- Sell
- Mar 12, 2026
- $174.09
Buying PSX at the all-time low and selling at the peak would have turned $1,000 into $9,386.24.
Max drawdown
-64.21% (fell to 36% of peak)
- Peak
- Nov 8, 2019
- $92.74
- Trough
- Mar 23, 2020
- $33.19
The worst decline for PSX was -64.21% (fell to 36% of peak) from peak to trough.
IPO to current
+707.41% (8.07 times)
- IPO
- Apr 12, 2012
- $21.49
- Current
- Mar 16, 2026
- $173.48
A $1,000 investment in PSX at IPO would be worth $8,074.14 today.
Dollar amounts based on selected investment ($1,000)
Frequently asked questions
What is Phillips 66 (PSX) stock's all-time high and all-time low?
- Phillips 66 (PSX) stock's all-time low was $18.55 on May 7, 2012. The all-time high was $174.09 on Mar 12, 2026.
What if you invested $1,000 in Phillips 66 (PSX) stock at the all-time low?
- Buying Phillips 66 (PSX) stock at the all-time low ($18.55 on May 7, 2012) and selling at the peak ($174.09 on Mar 12, 2026) would have turned $1,000 into $9,386.24. Historical return: +838.62% (9.39 times).
What are Phillips 66 (PSX)'s best buy and sell dates for maximum profit?
- The best buy date for Phillips 66 (PSX) stock was May 7, 2012 (all-time low at $18.55). The best sell date was Mar 12, 2026 at $174.09. This investment would have returned +838.62% (9.39 times).
What was Phillips 66 (PSX) stock's maximum drawdown?
- Phillips 66 (PSX) stock's worst decline was -64.21% (fell to 36% of peak) from peak to trough. Peak: $92.74 on Nov 8, 2019. Trough: $33.19 on Mar 23, 2020. A $1,000 investment at the peak would have been worth $357.86 at the trough.
What if you bought Phillips 66 (PSX) stock at IPO?
- A $1,000 investment in Phillips 66 (PSX) stock at IPO ($21.49 on Apr 12, 2012) would be worth $8,074.14 today. Historical return: +707.41% (8.07 times). Current stock price: $173.48 as of Mar 16, 2026.
What if you invested $1,000 in Phillips 66 (PSX) 5 years ago?
- A $1,000 investment in Phillips 66 (PSX) stock 5 years ago ($70.65 on Mar 16, 2021) would be worth $2,455.37 today. Historical return: +145.54% (2.46 times). Current stock price: $173.48 as of Mar 16, 2026.
What if you invested $1,000 in Phillips 66 (PSX) 10 years ago?
- A $1,000 investment in Phillips 66 (PSX) stock 10 years ago ($60.56 on Mar 16, 2016) would be worth $2,864.73 today. Historical return: +186.47% (2.86 times). Current stock price: $173.48 as of Mar 16, 2026.
About this data
- How does the investment calculator work?
- Enter an investment amount and a start date. We use historical stock prices to calculate how many shares you would have bought, then apply the current price to show your hypothetical portfolio value and return.
- What are Historical extremes?
- Max profit: buy at all-time low, sell at the highest price after. Max drawdown: the largest peak-to-trough decline in price. IPO to current: total return from IPO date to the latest price.
- What is Max drawdown?
- Maximum drawdown is the largest peak-to-trough decline in price. It shows the worst drop from any prior high to a subsequent low. Peak and Trough are the dates and prices at which this decline occurred.
- Does this include dividends?
- The calculator uses adjusted closing prices when available, which account for stock splits and dividends. For the most accurate results, we recommend using data that includes dividend adjustments.
- Where does the price data come from?
- Historical prices are from Yahoo Finance, adjusted for stock splits and dividends. We use adjusted close for all calculations.
- How are the dollar amounts in the cards calculated?
- The dollar amounts in Historical extremes use the investment amount you select in the calculator above (e.g. $1,000). They show what your investment would have been worth at the Buy/Peak/IPO date versus the Sell/Trough/Current date.
- What date range can I use?
- The available date range depends on our historical price data for PSX. You can select any date between our first and most recent data point.