MPLX Stock Summary and Trading Ideas (MPLX LP Common Units Representing Limited Partner Interests | NYSE:MPLX)

MPLX is a partnership that owns pipelines and gathering and processing assets with extensive holdings in the Appalachian and Permian regions. The asset base is made up of crude oil and refined products assets dropped down from Marathon Petroleum, its sponsor, and natural gas and natural gas liquids gathering and processing assets that were purchased or built.

MPLX LP Common Units Representing Limited Partner Interests trades on the NYSE stock market under the symbol MPLX.

As of April 17, 2026, MPLX stock price climbed to $55.88 with 2,488,865 million shares trading.

MPLX has a beta of 0.23, meaning it tends to be less sensitive to market movements. MPLX has a correlation of 0.04 to the broad based SPY ETF.

MPLX has a market cap of $56.83 billion. This is considered a Large Cap stock.

Last quarter MPLX LP Common Units Representing Limited Partner Interests reported $3 billion in Revenue and $1.17 earnings per share. This beat revenue expectation by $19 million and exceeded earnings estimates by $.12.

In the last 3 years, MPLX traded as high as $59.98 and as low as $33.12.

The top ETF exchange traded funds that MPLX belongs to (by Net Assets): AMLP, MLPA, EMLP, MLPX, AMZA.

MPLX has underperformed the market in the last year with a price return of +18.5% while the SPY ETF gained +36.3%. MPLX has also underperformed the stock market ETF in the last 3 month and 2 week periods returning +0.7% and 0.0%, respectively, while the SPY returned +2.9% and +8.3%, respectively.

MPLX support price is $54.50 and resistance is $55.98 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that MPLX shares will trade within this expected range on the day.