MPC vs PSX
Marathon Petroleum (MPC) and Phillips 66 (PSX) compared side by side. Marathon Petroleum (MPC) is larger, with a market cap of $128.4B versus $113.5B for Phillips 66, about 1.1 times the size. On trailing earnings, MPC is cheaper at 15.8x versus 16.2x for PSX.
Head to head
| Metric | MPC | PSX |
|---|---|---|
| Market cap | $128.4B | $113.5B |
| P/E (TTM) | 15.8x | 16.2x |
| Forward P/E | 7.8x | 9.3x |
| Revenue (TTM) | $154.1B | $152.2B |
| Revenue growth | 53.7% | 53.1% |
| Gross margin | 12.8% | 13.1% |
| Operating margin | 13.6% | 8.5% |
| Free cash flow | $12.9B | $6.4B |
| Dividend yield | 0.87% | 1.88% |
| 1-year return | +137.2% | +114.7% |
| 5-year return (annual) | +49.9% | +32.6% |
| Max drawdown | -80% | -64% |
| FI Handbook grade | B | C+ |
Highlighted: the stronger figure on metrics where higher or lower is clearly better.
Growth of $10,000 (5 years, price only)
MPC vs PSX FAQ
Which is bigger, MPC or PSX?
Marathon Petroleum (MPC) is larger, with a market cap of $128.4B versus $113.5B for Phillips 66, about 1.1 times the size.
Is MPC or PSX cheaper?
On trailing earnings, MPC is cheaper at 15.8x versus 16.2x for PSX. A lower P/E can reflect slower expected growth, so compare growth and margins too.
Which stock performed better over the past year, MPC or PSX?
MPC returned +137.2% over the past year including dividends, versus +114.7% for PSX, through October 23, 2026.
Which pays a higher dividend, MPC or PSX?
PSX yields 1.88% versus 0.87% for MPC.
Full pages: Marathon Petroleum · Phillips 66