Is BLLN or DGX more undervalued in 2026?

CirclFi compares BillionToOne, Inc. (BLLN) and Quest Diagnostics Incorporated (DGX) using 13 institutional-grade valuation models. BLLN has a Quality of Company score of 7.9/10 while DGX scores 8.5/10.

Which is a better buy — BLLN or DGX?

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 BLLN and DGX valuations compare?

BLLN at $97.80 and DGX at $196.20 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

BLLN vs DGX Valuation Comparison 2026 — Intrinsic Value Analysis

BLLN

Diagnostics & Research

BillionToOne, Inc.

Quality

7.9

out of 10

Value Trap

—

Price

$97.80

Last close

Models

13/13

Active

DGX

Diagnostics & Research

Quest Diagnostics Incorporated

Quality

8.5

out of 10

Value Trap

SAFE

Price

$196.20

Last close

Models

13/13

Active

Model-by-Model Comparison

Model	Type	BLLN Fair Value	BLLN Upside	DGX Fair Value	DGX Upside
Bayesian DCF	Intrinsic	$4.12	-95.8%	$115.72	-41.0%
Earnings Power Value	Intrinsic	$2.92	-97.0%	$30.73	-84.3%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
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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BLLN vs DGX — Which Stock Is More Undervalued?

DGX scores higher with a 8.5/10 quality rating vs BLLN's 7.9/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing BillionToOne, Inc. (BLLN) and Quest Diagnostics Incorporated (DGX) 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.

BLLN currently trades at $97.80 with a QOC of 7.9/10, while DGX trades at $196.20 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).