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Stock Comparison · Industry comparison · Oil & Gas Refining & Marketing

Marathon Petroleum vs Valero Energy: Which Stock Looks Stronger in 2026?

Marathon Petroleum leads structurally, with profitability as the clearest single gap between the two profiles. Valero Energy 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. Both peer scores are relative to the S&P 500 universe, making them directly comparable.

Updated 2026-08-16

The comparison is mainly decided in profitability, with the rest of the profile carrying less weight. The overall score gap is 9 points in favour of Marathon Petroleum Corporation.

INDUSTRY COMPARISON

Both operate in: Oil & Gas Refining & Marketing

This comparison is based on industry proximity, not on functional trajectory similarity. MPC and VLO share the same industry classification.

For a similarity-based comparison, see how Marathon Petroleum and Valero Energy each position within their functional peer groups in AssetNext.

Peer-Relative Score
MPC
Marathon Petroleum Corporation
79
Peer-Score
Signal qualitylow
Peer basis: S&P 500
vs
VLO
Valero Energy Corporation
70
Peer-Score
Signal qualitylow
Peer basis: S&P 500

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

Score differences across key dimensions.

Dimension spread: MPC vs VLO Profitability 82 52 Stability 54 64 Valuation 85 82 Growth 91 85 MPC VLO
Gap Ranking
#1 Profitability +30
#2 Stability +10
#3 Growth +6
#4 Valuation +3
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for MPC and VLO Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer MPCVLO Relative valuation Structural strength

Marathon Petroleum Corporation still looks stronger, and the price setup does not materially undermine that lead.

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

Entry today — historical context

Where MPC and VLO each sit in their own 5-year price and valuation history.

BASED ON 5-YEAR HISTORY MPC Elevated · above norm 0th 50th 100th 0 pct gap VLO Elevated · above norm 0th 50th 100th 99th 99th
MPC (99th percentile) and VLO (99th percentile) both sit in the upper portion of their own 5-year ranges. The historical entry context is broadly similar for both. This reflects entry timing, not which company is structurally stronger.

Describes historical entry positioning only. Descriptive — not investment advice.

Relative Position vs Comparable Companies
Profitability
Both rank well on profitability, but Marathon Petroleum Corporation still holds a clear edge.
Stability
Marathon Petroleum Corporation sits higher in the group on stability, adding to the overall structural advantage.
Profitability — Dominant Gap
MPC
82
VLO
52
Gap+30in favour of MPC

Capital efficiency adds support, with a 6.3-point ROIC advantage.

What keeps the gap from being one-sided

Valero Energy 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 score lead is real, although the profile still looks more expectation-driven than a fully settled winner.

Explore full peer positioning in AssetNext

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

Explore full breakdown →
Similar profitability-driven comparisons

Explore how MPC and VLO 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.

Because scores are peer-relative, the same company can have slightly different scores in different index universes. On comparison pages, both companies are shown within their shared peer universe wherever possible — so the scores are directly comparable. The peer basis is stated on each score card.

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.