Is GBX or WAB more undervalued in 2026?

CirclFi compares Greenbrier Companies, Inc. (The (GBX) and Westinghouse Air Brake Technolo (WAB) using 13 institutional-grade valuation models. GBX has a Quality of Company score of 8.7/10 while WAB scores 9.0/10.

Which is a better buy — GBX or WAB?

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 GBX and WAB valuations compare?

GBX at $47.11 and WAB at $261.16 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

GBX vs WAB Valuation Comparison 2026 — Intrinsic Value Analysis

GBX

Railroad Equipment

Greenbrier Companies, Inc. (The

Quality

8.7

out of 10

Value Trap

SAFE

Price

$47.11

Last close

Models

11/13

Active

WAB

Railroad Equipment

Westinghouse Air Brake Technolo

Quality

9.0

out of 10

Value Trap

SAFE

Price

$261.16

Last close

Models

12/13

Active

Model-by-Model Comparison

Model	Type	GBX Fair Value	GBX Upside	WAB Fair Value	WAB Upside
Bayesian DCF	Intrinsic	$56.80	+20.6%	$118.67	-54.6%
Earnings Power Value	Intrinsic	$24.11	-48.8%	$48.79	-81.3%
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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GBX vs WAB — Which Stock Is More Undervalued?

WAB scores higher with a 9.0/10 quality rating vs GBX's 8.7/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Greenbrier Companies, Inc. (The (GBX) and Westinghouse Air Brake Technolo (WAB) 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.

GBX currently trades at $47.11 with a QOC of 8.7/10, while WAB trades at $261.16 with a QOC of 9.0/10.

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).