Is NBBK or NBTB more undervalued in 2026?

CirclFi compares NB Bancorp, Inc. (NBBK) and NBT Bancorp Inc. (NBTB) using 13 institutional-grade valuation models. NBBK has a Quality of Company score of 8.3/10 while NBTB scores 8.4/10.

Which is a better buy — NBBK or NBTB?

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 NBBK and NBTB valuations compare?

NBBK at $19.97 and NBTB at $46.25 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

NBBK vs NBTB Valuation Comparison 2026 — Intrinsic Value Analysis

NBBK

Banks - Regional

NB Bancorp, Inc.

Quality

8.3

out of 10

Value Trap

—

Price

$19.97

Last close

Models

11/13

Active

NBTB

Banks - Regional

NBT Bancorp Inc.

Quality

8.4

out of 10

Value Trap

SAFE

Price

$46.25

Last close

Models

11/13

Active

Model-by-Model Comparison

Model	Type	NBBK Fair Value	NBBK Upside	NBTB Fair Value	NBTB Upside
Bayesian DCF	Intrinsic	$15.44	-22.7%	$30.44	-34.2%
Earnings Power Value	Intrinsic	$17.56	-12.1%	$40.40	-12.6%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%
FTNN Topology	Relative	$•••.••	••.•%	$•••.••	••.•%
RCMH-DCF	Intrinsic	$•••.••	••.•%	$•••.••	••.•%

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NBBK vs NBTB — Which Stock Is More Undervalued?

NBTB scores higher with a 8.4/10 quality rating vs NBBK's 8.3/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing NB Bancorp, Inc. (NBBK) and NBT Bancorp Inc. (NBTB) 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.

NBBK currently trades at $19.97 with a QOC of 8.3/10, while NBTB trades at $46.25 with a QOC of 8.4/10.

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).