Is BLDR or GFF more undervalued in 2026?

CirclFi compares Builders FirstSource, Inc. (BLDR) and Griffon Corporation (GFF) using 13 institutional-grade valuation models. BLDR has a Quality of Company score of 8.0/10 while GFF scores 8.8/10.

Which is a better buy — BLDR or GFF?

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 BLDR and GFF valuations compare?

BLDR at $76.72 and GFF at $88.06 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

BLDR vs GFF Valuation Comparison 2026 — Intrinsic Value Analysis

BLDR

Building Products & Equipment

Builders FirstSource, Inc.

Quality

8.0

out of 10

Value Trap

LOW

Price

$76.72

Last close

Models

12/13

Active

GFF

Building Products & Equipment

Griffon Corporation

Quality

8.8

out of 10

Value Trap

SAFE

Price

$88.06

Last close

Models

12/13

Active

Model-by-Model Comparison

Model	Type	BLDR Fair Value	BLDR Upside	GFF Fair Value	GFF Upside
Bayesian DCF	Intrinsic	$160.04	+108.6%	$12.80	-85.5%
Earnings Power Value	Intrinsic	$37.71	-50.8%	$8.66	-90.2%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
PWERM	Option-Based	$•••.••	••.•%	$•••.••	••.•%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%
FTNN Topology	Relative	$•••.••	••.•%	$•••.••	••.•%
RCMH-DCF	Intrinsic	$•••.••	••.•%	$•••.••	••.•%

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BLDR vs GFF — Which Stock Is More Undervalued?

GFF scores higher with a 8.8/10 quality rating vs BLDR's 8.0/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Builders FirstSource, Inc. (BLDR) and Griffon Corporation (GFF) 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.

BLDR currently trades at $76.72 with a QOC of 8.0/10, while GFF trades at $88.06 with a QOC of 8.8/10.

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).