Is ATOS or AVIR more undervalued in 2026?

CirclFi compares Atossa Therapeutics, Inc. (ATOS) and Atea Pharmaceuticals, Inc. (AVIR) using 13 institutional-grade valuation models. ATOS has a Quality of Company score of 4.5/10 while AVIR scores 4.2/10.

Which is a better buy — ATOS or AVIR?

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 ATOS and AVIR valuations compare?

ATOS at $5.23 and AVIR at $4.67 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

ATOS vs AVIR Valuation Comparison 2026 — Intrinsic Value Analysis

ATOS

Pharmaceutical Preparations

Atossa Therapeutics, Inc.

Quality

4.5

out of 10

Value Trap

SAFE

Price

$5.23

Last close

Models

7/13

Active

AVIR

Pharmaceutical Preparations

Atea Pharmaceuticals, Inc.

Quality

4.2

out of 10

Value Trap

SAFE

Price

$4.67

Last close

Models

8/13

Active

Model-by-Model Comparison

Model	Type	ATOS Fair Value	ATOS Upside	AVIR Fair Value	AVIR Upside
Bayesian DCF	Intrinsic	$3.34	-36.1%	$1.37	-70.6%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$0.52	-90.2%	$0.59	-89.4%
Dynamic NAV	Asset-Based	$•••.••	••.•%	$•••.••	••.•%
PWERM	Option-Based	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%

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ATOS vs AVIR — Which Stock Is More Undervalued?

ATOS scores higher with a 4.5/10 quality rating vs AVIR's 4.2/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Atossa Therapeutics, Inc. (ATOS) and Atea Pharmaceuticals, Inc. (AVIR) 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.

ATOS currently trades at $5.23 with a QOC of 4.5/10, while AVIR trades at $4.67 with a QOC of 4.2/10.

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).