Is INGN or ISRG more undervalued in 2026?

CirclFi compares Inogen, Inc (INGN) and Intuitive Surgical, Inc. (ISRG) using 13 institutional-grade valuation models. INGN has a Quality of Company score of 6.6/10 while ISRG scores 10.0/10.

Which is a better buy — INGN or ISRG?

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 INGN and ISRG valuations compare?

INGN at $6.49 and ISRG at $424.64 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

INGN vs ISRG Valuation Comparison 2026 — Intrinsic Value Analysis

INGN

Orthopedic, Prosthetic & Surgical Appliances & Supplies

Inogen, Inc

Quality

6.6

out of 10

Value Trap

LOW

Price

$6.49

Last close

Models

11/13

Active

ISRG

Orthopedic, Prosthetic & Surgical Appliances & Supplies

Intuitive Surgical, Inc.

Quality

10.0

out of 10

Value Trap

SAFE

Price

$424.64

Last close

Models

13/13

Active

Model-by-Model Comparison

Model	Type	INGN Fair Value	INGN Upside	ISRG Fair Value	ISRG Upside
Bayesian DCF	Intrinsic	$2.83	-56.4%	$82.56	-80.6%
Earnings Power Value	Intrinsic	$9.45	+45.7%	$96.05	-77.4%
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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INGN vs ISRG — Which Stock Is More Undervalued?

ISRG scores higher with a 10.0/10 quality rating vs INGN's 6.6/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Inogen, Inc (INGN) and Intuitive Surgical, Inc. (ISRG) 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.

INGN currently trades at $6.49 with a QOC of 6.6/10, while ISRG trades at $424.64 with a QOC of 10.0/10.

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).