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The price of MPLX LP (MPLX) on October 9, 2026 is 56.30 USD, -1.78% on the day. Over 52 weeks the stock traded between 47.80 USD and 60.95 USD; the price now sits 65% of the way up that range. Over the past year the price changed by +15.27%. The P/E ratio is 12.2, which is below the sector median (16.0). Market capitalization is 58.25 billion USD, rank 2 among 7 stocks of the same industry with a known capitalization.
Closing prices for 09 October 2026
Next earnings report: 03 November 2026, before market open · Earnings calendar
MPLX LP trades on NYSE under the ticker MPLX. The company belongs to the Energy sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks MPLX has traded between 47.80 $ and 60.95 $. As of 09 October 2026 the price stood 64.64 % of the way from the 52-week low to the high.
Over one year MPLX shares rose 15.27 %; over six months they rose 0.27 %. Volatility over 90 days is 18.05 %. Dividends are not included: this is price change only, as of 09 October 2026.
MPLX trades at a price-to-earnings ratio of 12.2, below the sector median of 16.0. Price to sales is 4.4, above the sector median of 1.5. Price to book is 6.3, above the sector median of 1.5. Calculated from reports for the period ending 30 June 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 09 October 2026 | 57.33 | 57.56 | 56.04 | 56.30 | 2M |
| 08 October 2026 | 57.46 | 57.54 | 57.12 | 57.32 | 688,600 |
| 07 October 2026 | 57.86 | 57.93 | 56.88 | 57.05 | 1M |
| 06 October 2026 | 57.37 | 57.89 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the last 12 months of reports, through 30 June 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
MPLX is Marathon Petroleum's pipeline partnership: tariff income and high distributions.
The partnership form means different taxation and different paperwork for the investor: payments are called distributions rather than dividends. That is worth understanding before buying — reporting here is more complex than for an ordinary share.
The assets are pipelines, storage, gas processing plants and terminals. The primary customer is parent Marathon Petroleum, whose refineries provide guaranteed volume. That link ensures predictability while implying concentration on one client.
Income is tariff-based and largely insensitive to commodity prices. The growth line is gathering and processing gas in shale regions. Risks: permitting constraints, cost of capital and the parent's decisions. The partnership raises distributions annually.
Address:200 E. HARDIN STREET, FINDLAY, OH, 45840, US
MPLX LP reported revenue of 13.1B $ and net income of 4.8B $ over the last four quarters. Net margin is 36.26 %. Revenue changed by +21.15 % year over year. Market capitalisation is 58.3B $.
MPLX has a return on equity of 51.51 %, above the sector median of 4.00 %. Return on assets is 11.09 %, above the sector median of 2.02 %. Operating margin is 44.70 %, above the sector median of 4.71 %.
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| 56.57 |
| 57.77 |
| 947,500 |
| 05 October 2026 | 56.34 | 57.65 | 56.31 | 57.37 | 835,200 |
| 02 October 2026 | 56.25 | 56.74 | 56.09 | 56.38 | 1M |
| 01 October 2026 | 56.37 | 56.72 | 55.95 | 56.35 | 2M |
| 30 September 2026 | 56.92 | 57.48 | 56.03 | 56.32 | 1M |
| 29 September 2026 | 57.50 | 57.76 | 56.60 | 57.05 | 2M |
| 28 September 2026 | 56.83 | 57.85 | 56.02 | 57.66 | 2M |
| 25 September 2026 | 57.86 | 57.95 | 56.67 | 56.80 | 2M |
| 24 September 2026 | 58.99 | 59.08 | 57.92 | 57.98 | 1M |
| 23 September 2026 | 59.25 | 59.82 | 58.33 | 58.81 | 1M |
| 22 September 2026 | 58.71 | 60.04 | 58.70 | 59.16 | 2M |
| 21 September 2026 | 59.40 | 59.60 | 58.83 | 59.09 | 1M |
| 18 September 2026 | 58.69 | 59.55 | 58.53 | 59.44 | 2M |
| 17 September 2026 | 58.23 | 59.00 | 58.21 | 58.62 | 942,100 |
| 16 September 2026 | 58.76 | 58.84 | 57.36 | 57.93 | 2M |
| 15 September 2026 | 58.91 | 59.20 | 58.32 | 58.42 | 1M |
| 14 September 2026 | 60.04 | 60.09 | 58.53 | 58.89 | 2M |