Current Price
$58.11
PE Ratio (TTM)
12.5x
Intrinsic Value
$66.65
+12.8% margin of safety
COMPETITIVE MOAT
↑Extensive Integrated Pipeline Network
MPLX operates a vast, interconnected network of pipelines and terminals. This infrastructure is difficult and costly for competitors to replicate, creating a significant barrier to entry.
↑Scale and Operational Efficiency
The company's large scale allows for significant operational efficiencies and cost advantages in gathering, processing, and transporting hydrocarbons. This scale is a key differentiator.
↑Long-Term Fee-Based Contracts
A substantial portion of MPLX's revenue is derived from long-term, fee-based contracts. These contracts provide predictable cash flows and reduce exposure to commodity price volatility.
INVESTMENT RISKS
↓Commodity Price Sensitivity
While contracts mitigate some risk, significant downturns in oil and natural gas prices can still impact volumes and profitability. Lower prices may lead to reduced production by upstream customers.
↓Interest Rate Sensitivity and Debt
As a capital-intensive business, MPLX relies on debt financing. Rising interest rates increase borrowing costs and can impact the company's ability to fund growth projects and service existing debt.
↓Operational and Environmental Incidents
Pipeline leaks, spills, or other operational failures can lead to significant environmental damage, costly cleanups, and reputational harm. These events can also result in regulatory fines and litigation.
Base case
At a current price of $58.11, the base case PE valuation puts MPLX fair value near $66.65 per share. That figure assumes 5.1% yearly earnings growth, a target PE multiple of 12.44x, and a 10% discount rate.
Intrinsic Value
$66.65
Margin of safety
+12.8%
Expected annual return
+2.8%
Base case assumptions: 5.1% annual earnings growth, 12.44x target PE, 10% discount rate, 5 year projection. Data as of 2026-10-27.
This base case uses default assumptions and is not financial advice. The fair value changes significantly when the target PE or earnings growth rate changes. Open the calculator to set your own assumptions and see the full sensitivity range.
Adjust the target PE, earnings growth, and discount rate to see how the fair value and margin of safety for MPLX Lp respond.
Open PE Calculator for MPLXMPLX LP, incorporated in 2012 and headquartered in Findlay, Ohio, operates as a subsidiary of Marathon Petroleum Corporation, with MPLX GP LLC serving as its general partner. The company is a prominent owner and operator of midstream energy infrastructure and logistics assets primarily across the United States. Its business is segmented into Logistics and Storage, and Gathering and Processing. MPLX's extensive operations involve the gathering, processing, and transportation of natural gas, alongside the gathering, transportation, fractionation, exchange, storage, and marketing of natural gas liquids. It also handles the collection, storage, transportation, and distribution of crude oil, refined products, and other hydrocarbon-based goods, including the sale of residue gas and condensate. Furthermore, the company manages inland marine businesses, focusing on the transportation of light products, heavy oils, crude oil, renewable fuels, chemicals, and feedstocks within the Mid-Continent and Gulf Coast regions, utilizing its owned and third-party chartered boats and barges, and maintaining a marine repair facility on the Ohio River. Complementing these activities, MPLX oversees fuel distribution, refining logistics, terminals, rail facilities, and storage caverns, and operates specialized terminal facilities for the receipt, storage, blending, additization, handling, and redelivery of refined petroleum products through various modes including pipeline, rail, marine, and over-the-road transport.
PE Ratio (TTM)
12.5x
PEG Ratio
1.17
Earnings Yield
8.03%
ROE (TTM)
33.4%
Revenue/Share (TTM)
$12.70
Dividend Yield
7.41%
Debt/Equity
1.85x
The trailing twelve-month PE ratio of MPLX reflects how much investors pay per dollar of MPLX Lp's earnings. This metric is most useful when compared to Oil & Gas Midstream peers and the company's own historical range.
MPLX's PE of 12.5x combined with a PEG ratio of 1.17 provides a growth-adjusted perspective. A PEG near 1.0 means the P/E is roughly in line with the earnings growth rate. Keep in mind that PE-based valuation works best for profitable, mature companies — for high-growth or cyclical Oil & Gas Midstream, a DCF analysis may be more appropriate.
To value MPLX Lp using PE: (1) Compare the current PE (12.5x) against the Oil & Gas Midstream median to assess relative pricing, (2) check the PEG ratio (1.17) to adjust for growth expectations, (3) review the 5-year PE range to identify where the stock sits historically, and (4) estimate fair value by multiplying a target PE by forward EPS estimates. This relative approach complements DCF's absolute valuation.
MPLX's PEG ratio is 1.17, calculated by dividing the PE ratio (12.5x) by the expected earnings growth rate. A PEG near 1.0 means the P/E is roughly in line with the expected earnings growth rate. Note that PEG accuracy depends on the reliability of growth estimates.
PE ratio gives a quick relative read — how MPLX is priced versus Oil & Gas Midstream peers. DCF provides an absolute value based on projected free cash flows. For MPLX, with a strong ROE of 33.4%, both methods are worth using — PE for a market-relative check, DCF to stress-test whether fundamentals justify the price. Each method has blind spots: PE ignores capital structure and cash flow quality, while DCF is sensitive to growth and discount rate assumptions.
P/E and DCF value MPLX with different methods and assumptions, so the two conclusions can differ. Compare the DCF intrinsic value.
Price as of 2026-10-27. Financial data from Financial Modeling Prep (trailing twelve months) · Valuation methodology by Charlie Wang.
This is an estimate, not investment advice.