Is PRTS or SMP more undervalued in 2026?

CirclFi compares CarParts.com, Inc. (PRTS) and Standard Motor Products, Inc. (SMP) using 13 institutional-grade valuation models. PRTS has a Quality of Company score of 6.2/10 while SMP scores 7.9/10.

Which is a better buy — PRTS or SMP?

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 PRTS and SMP valuations compare?

PRTS at $5.81 and SMP at $40.59 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

PRTS vs SMP Valuation Comparison 2026 — Intrinsic Value Analysis

PRTS

Auto Parts

CarParts.com, Inc.

Quality

6.2

out of 10

Value Trap

SAFE

Price

$5.81

Last close

Models

8/13

Active

SMP

Auto Parts

Standard Motor Products, Inc.

Quality

7.9

out of 10

Value Trap

SAFE

Price

$40.59

Last close

Models

11/13

Active

Model-by-Model Comparison

Model	Type	PRTS Fair Value	PRTS Upside	SMP Fair Value	SMP Upside
Bayesian DCF	Intrinsic	$18.98	+226.6%	$1.04	-97.3%
Earnings Power Value	Intrinsic	—	—	$20.14	-50.4%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$0.16	-97.4%	$69.49	+71.2%
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	$•••.••	••.•%	$•••.••	••.•%

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PRTS vs SMP — Which Stock Is More Undervalued?

SMP scores higher with a 7.9/10 quality rating vs PRTS's 6.2/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing CarParts.com, Inc. (PRTS) and Standard Motor Products, Inc. (SMP) 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.

PRTS currently trades at $5.81 with a QOC of 6.2/10, while SMP trades at $40.59 with a QOC of 7.9/10.

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).