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Marathon Petroleum vs Exxon Mobil: Which Stock Looks Stronger in 2026?

Marathon Petroleum holds the cleaner structural position, with the lead spread across stability and growth. Exxon Mobil still has the edge on stability, which keeps the comparison from looking entirely one-sided. The market setup is broadly comparable for both — no clear directional signal from price behavior. The market is not adding a decisive signal either way — the structural read carries the weight.

The comparison is based on similar long-term financial trajectories, not sector labels.

Updated 2026-04-05

Stability points more clearly toward Exxon Mobil Corporation, even if the broader score still leans toward Marathon Petroleum Corporation.

Trajectory Similarity
0.78
Similar
Peer-set rank: #7
within Marathon Petroleum Corporation's functional peer set

These two companies are linked by measured long-term financial trajectory similarity within the selected peer universe.

The pair sits on a clearly comparable long-term path, though it is not a near-twin match.

The match is driven mainly by recent revenue growth and margin trend.

Similarity drivers
recent revenue growthmargin trend
How to read the score
0.85–1.00 · Very similar0.70–0.84 · Similar0.55–0.69 · Moderately similarbelow 0.55 · Loose match
Peer-Relative Score
MPC
Marathon Petroleum Corporation
69
Peer-Score
Signal qualityMedium
vs
XOM
Exxon Mobil Corporation
57
Peer-Score
Signal qualityMedium

Scores reflect position relative to comparable companies with similar long-term financial trajectories.

Score differences across key dimensions.

Dimension spread: MPC vs XOM Profitability 68 43 Stability 54 91 Valuation 81 62 Growth 67 39 MPC XOM
Gap Ranking
#1 Stability +37
#2 Growth +28
#3 Profitability +25
#4 Valuation +19
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for MPC and XOM Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer MPCXOM Relative valuation Structural strength

Structure stays fairly close here, while current pricing still looks more supportive for Marathon Petroleum Corporation.

Valuation position uses peer-relative PE percentile (idx_pct_pe) where available.

Relative Position vs Comparable Companies
Stability
Both rank well on stability, but Exxon Mobil Corporation still holds a clear edge.
Growth
The same broad pattern appears on growth: Marathon Petroleum Corporation ranks near the top of the group, while Exxon Mobil Corporation stays in the weaker half.
Stability — Dominant Gap
MPC
54
XOM
91
Gap+37in favour of XOM

The stability gap is wide, with the stronger side looking materially steadier through time.

What keeps the gap from being one-sided

Exxon Mobil Corporation still carries lower volatility exposure — that difference is real enough to prevent the comparison from becoming one-sided.

What this means for the comparison

The lead is built on both stability and growth — though stability still provides a counterweight.

Explore full peer positioning in AssetNext

Break down the MPC vs XOM comparison across all dimensions with the full interactive tool.

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Other comparisons with conflicting dimension signals

Explore how MPC and XOM each compare against other companies in their peer groups.

Rule-based, descriptive analysis only. Derived from peer percentile dimensions. Not investment advice. Peer groups are determined algorithmically based on structural similarity — not by sector classification alone.

How AssetNext Peer Scores Work

AssetNext scores reflect each company's structural position within its functional peer group — not a ranking against all stocks simultaneously. Peers are identified by similarity across eight financial dimensions, including revenue growth trajectory, margin structure, capital intensity, and earnings stability. A score of 75 means the company ranks in the top quartile within its own peer group, not the entire market.

Four dimension scores drive the overall peer score: Growth (revenue trajectory and expansion dynamics), Quality (margin structure and capital efficiency), Valuation (peer-relative pricing on standard multiples), and Stability (earnings consistency and financial predictability). Each dimension is scored 0–100 relative to the peer group, then combined into an overall peer score using equal weighting.

Scores are recalculated periodically as underlying financial data is updated. All analysis is descriptive and rule-based — AssetNext describes structural realities and never issues buy, sell or hold recommendations.