Is DCI or FTEK more undervalued in 2026?

CirclFi compares Donaldson Company, Inc. (DCI) and Fuel Tech, Inc. (FTEK) using 13 institutional-grade valuation models. DCI has a Quality of Company score of 9.3/10 while FTEK scores 7.9/10.

Which is a better buy — DCI or FTEK?

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 DCI and FTEK valuations compare?

DCI at $81.87 and FTEK at $1.48 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

DCI vs FTEK Valuation Comparison 2026 — Intrinsic Value Analysis

DCI

Industrial & Commercial Fans & Blowers & Air Purifing Equip

Donaldson Company, Inc.

Quality

9.3

out of 10

Value Trap

SAFE

Price

$81.87

Last close

Models

13/13

Active

FTEK

Industrial & Commercial Fans & Blowers & Air Purifing Equip

Fuel Tech, Inc.

Quality

7.9

out of 10

Value Trap

LOW

Price

$1.48

Last close

Models

12/13

Active

Model-by-Model Comparison

Model	Type	DCI Fair Value	DCI Upside	FTEK Fair Value	FTEK Upside
Bayesian DCF	Intrinsic	$41.13	-49.8%	$0.71	-51.7%
Earnings Power Value	Intrinsic	$28.80	-64.8%	$1.23	-23.8%
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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DCI vs FTEK — Which Stock Is More Undervalued?

DCI scores higher with a 9.3/10 quality rating vs FTEK's 7.9/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Donaldson Company, Inc. (DCI) and Fuel Tech, Inc. (FTEK) 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.

DCI currently trades at $81.87 with a QOC of 9.3/10, while FTEK trades at $1.48 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).