Is AAP or ATMU more undervalued in 2026?

CirclFi compares Advance Auto Parts Inc. (AAP) and Atmus Filtration Technologies I (ATMU) using 13 institutional-grade valuation models. AAP has a Quality of Company score of 6.6/10 while ATMU scores 9.8/10.

Which is a better buy — AAP or ATMU?

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 AAP and ATMU valuations compare?

AAP at $59.86 and ATMU at $47.78 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

AAP vs ATMU Valuation Comparison 2026 — Intrinsic Value Analysis

AAP

Auto Parts

Advance Auto Parts Inc.

Quality

6.6

out of 10

Value Trap

—

Price

$59.86

Last close

Models

12/13

Active

ATMU

Auto Parts

Atmus Filtration Technologies I

Quality

9.8

out of 10

Value Trap

—

Price

$47.78

Last close

Models

12/13

Active

Model-by-Model Comparison

Model	Type	AAP Fair Value	AAP Upside	ATMU Fair Value	ATMU Upside
Bayesian DCF	Intrinsic	$2.51	-95.8%	$10.25	-78.5%
Earnings Power Value	Intrinsic	$35.49	-40.7%	$12.74	-73.3%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
PWERM	Option-Based	$•••.••	••.•%	$•••.••	••.•%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%
FTNN Topology	Relative	$•••.••	••.•%	$•••.••	••.•%
RCMH-DCF	Intrinsic	$•••.••	••.•%	$•••.••	••.•%

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AAP vs ATMU — Which Stock Is More Undervalued?

ATMU scores higher with a 9.8/10 quality rating vs AAP's 6.6/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Advance Auto Parts Inc. (AAP) and Atmus Filtration Technologies I (ATMU) 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.

AAP currently trades at $59.86 with a QOC of 6.6/10, while ATMU trades at $47.78 with a QOC of 9.8/10.

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).