Is SUN or VLO more undervalued in 2026?

CirclFi compares Sunoco LP (SUN) and Valero Energy Corporation (VLO) using 13 institutional-grade valuation models. SUN has a Quality of Company score of 7.7/10 while VLO scores 8.5/10.

Which is a better buy — SUN or VLO?

Compare intrinsic values from 13 independent models against current market prices. CirclFi also calculates Value Trap scores. This is not financial advice — conduct your own analysis.

How do SUN and VLO valuations compare?

SUN at $64.94 and VLO at $244.82 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

SUN vs VLO Valuation Comparison 2026 — Intrinsic Value Analysis

SUN

Petroleum Refining

Sunoco LP

Quality

7.7

out of 10

Value Trap

SAFE

Price

$64.94

Last close

Models

11/13

Active

VLO

Petroleum Refining

Valero Energy Corporation

Quality

8.5

out of 10

Value Trap

SAFE

Price

$244.82

Last close

Models

13/13

Active

Model-by-Model Comparison

Model	Type	SUN Fair Value	SUN Upside	VLO Fair Value	VLO Upside
Bayesian DCF	Intrinsic	$6.54	-90.7%	$312.30	+27.6%
Earnings Power Value	Intrinsic	—	—	$76.78	-68.6%
EROIC Spread	Intrinsic	$8.57	-86.8%	$86.71	-64.6%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
Dynamic NAV	Asset-Based	$•••.••	••.•%	$•••.••	••.•%
PWERM	Option-Based	$•••.••	••.•%	$•••.••	••.•%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%
FTNN Topology	Relative	$•••.••	••.•%	$•••.••	••.•%
RCMH-DCF	Intrinsic	$•••.••	••.•%	$•••.••	••.•%

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SUN vs VLO — Which Stock Is More Undervalued?

VLO scores higher with a 8.5/10 quality rating vs SUN's 7.7/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Sunoco LP (SUN) and Valero Energy Corporation (VLO) across 13 institutional-grade valuation models reveals how each company's intrinsic value stacks up against its market price. CirclFi's engine processes SEC EDGAR 10-K and 10-Q filings, FRED macroeconomic data, and GDELT news sentiment to generate independent fair value estimates daily.

SUN currently trades at $64.94 with a QOC of 7.7/10, while VLO trades at $244.82 with a QOC of 8.5/10.

Both companies are analyzed with models spanning intrinsic (Bayesian DCF, EPV), scenario-based (First Chicago), regime-switching (Markov DDM, RCMH-DCF), machine learning (ML-RIV, FTNN Topology), and ensemble methods (CUCE).