Is BELFB or DAIO more undervalued in 2026?

CirclFi compares Bel Fuse Inc. (BELFB) and Data I/O Corporation (DAIO) using 13 institutional-grade valuation models. BELFB has a Quality of Company score of 9.9/10 while DAIO scores 7.2/10.

Which is a better buy — BELFB or DAIO?

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 BELFB and DAIO valuations compare?

BELFB at $276.96 and DAIO at $4.25 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

BELFB vs DAIO Valuation Comparison 2026 — Intrinsic Value Analysis

BELFB

Electronic Components

Bel Fuse Inc.

Quality

9.9

out of 10

Value Trap

SAFE

Price

$276.96

Last close

Models

12/13

Active

DAIO

Electronic Components

Data I/O Corporation

Quality

7.2

out of 10

Value Trap

SAFE

Price

$4.25

Last close

Models

11/13

Active

Model-by-Model Comparison

Model	Type	BELFB Fair Value	BELFB Upside	DAIO Fair Value	DAIO Upside
Bayesian DCF	Intrinsic	$19.66	-92.9%	$1.11	-73.9%
Earnings Power Value	Intrinsic	$20.66	-92.5%	$3.54	+28.2%
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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BELFB vs DAIO — Which Stock Is More Undervalued?

BELFB scores higher with a 9.9/10 quality rating vs DAIO's 7.2/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Bel Fuse Inc. (BELFB) and Data I/O Corporation (DAIO) 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.

BELFB currently trades at $276.96 with a QOC of 9.9/10, while DAIO trades at $4.25 with a QOC of 7.2/10.

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).