Is FSI or WDFC more undervalued in 2026?

CirclFi compares Flexible Solutions Internationa (FSI) and WD-40 Company (WDFC) using 13 institutional-grade valuation models. FSI has a Quality of Company score of 7.8/10 while WDFC scores 10.0/10.

Which is a better buy — FSI or WDFC?

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 FSI and WDFC valuations compare?

FSI at $6.65 and WDFC at $199.97 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

FSI vs WDFC Valuation Comparison 2026 — Intrinsic Value Analysis

FSI

Miscellaneous Chemical Products

Flexible Solutions Internationa

Quality

7.8

out of 10

Value Trap

SAFE

Price

$6.65

Last close

Models

13/13

Active

WDFC

Miscellaneous Chemical Products

WD-40 Company

Quality

10.0

out of 10

Value Trap

SAFE

Price

$199.97

Last close

Models

13/13

Active

Model-by-Model Comparison

Model	Type	FSI Fair Value	FSI Upside	WDFC Fair Value	WDFC Upside
Bayesian DCF	Intrinsic	$0.26	-96.0%	$54.83	-72.6%
Earnings Power Value	Intrinsic	$0.13	-98.1%	$46.97	-76.5%
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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FSI vs WDFC — Which Stock Is More Undervalued?

WDFC scores higher with a 10.0/10 quality rating vs FSI's 7.8/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Flexible Solutions Internationa (FSI) and WD-40 Company (WDFC) 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.

FSI currently trades at $6.65 with a QOC of 7.8/10, while WDFC trades at $199.97 with a QOC of 10.0/10.

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).