Is KOP or TREX more undervalued in 2026?

CirclFi compares Koppers Holdings Inc. (KOP) and Trex Company, Inc. (TREX) using 13 institutional-grade valuation models. KOP has a Quality of Company score of 8.3/10 while TREX scores 9.5/10.

Which is a better buy — KOP or TREX?

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 KOP and TREX valuations compare?

KOP at $40.80 and TREX at $41.40 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

KOP vs TREX Valuation Comparison 2026 — Intrinsic Value Analysis

KOP

Lumber & Wood Products (No Furniture)

Koppers Holdings Inc.

Quality

8.3

out of 10

Value Trap

SAFE

Price

$40.80

Last close

Models

11/13

Active

TREX

Lumber & Wood Products (No Furniture)

Trex Company, Inc.

Quality

9.5

out of 10

Value Trap

SAFE

Price

$41.40

Last close

Models

13/13

Active

Model-by-Model Comparison

Model	Type	KOP Fair Value	KOP Upside	TREX Fair Value	TREX Upside
Bayesian DCF	Intrinsic	$15.04	-62.7%	$5.43	-86.9%
Earnings Power Value	Intrinsic	$14.34	-64.9%	$15.39	-62.8%
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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KOP vs TREX — Which Stock Is More Undervalued?

TREX scores higher with a 9.5/10 quality rating vs KOP's 8.3/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Koppers Holdings Inc. (KOP) and Trex Company, Inc. (TREX) 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.

KOP currently trades at $40.80 with a QOC of 8.3/10, while TREX trades at $41.40 with a QOC of 9.5/10.

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).