Is AIRJ or ASPN more undervalued in 2026?

CirclFi compares AirJoule Technologies Corporati (AIRJ) and Aspen Aerogels, Inc. (ASPN) using 13 institutional-grade valuation models. AIRJ has a Quality of Company score of 4.6/10 while ASPN scores 5.8/10.

Which is a better buy — AIRJ or ASPN?

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 AIRJ and ASPN valuations compare?

AIRJ at $4.79 and ASPN at $6.37 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

AIRJ vs ASPN Valuation Comparison 2026 — Intrinsic Value Analysis

AIRJ

Building Products & Equipment

AirJoule Technologies Corporati

Quality

4.6

out of 10

Value Trap

SAFE

Price

$4.79

Last close

Models

12/13

Active

ASPN

Building Products & Equipment

Aspen Aerogels, Inc.

Quality

5.8

out of 10

Value Trap

LOW

Price

$6.37

Last close

Models

11/13

Active

Model-by-Model Comparison

Model	Type	AIRJ Fair Value	AIRJ Upside	ASPN Fair Value	ASPN Upside
Bayesian DCF	Intrinsic	$1.53	-68.0%	$8.17	+28.3%
Earnings Power Value	Intrinsic	$1.69	-46.3%	$33.54	+426.6%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
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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AIRJ vs ASPN — Which Stock Is More Undervalued?

ASPN scores higher with a 5.8/10 quality rating vs AIRJ's 4.6/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing AirJoule Technologies Corporati (AIRJ) and Aspen Aerogels, Inc. (ASPN) 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.

AIRJ currently trades at $4.79 with a QOC of 4.6/10, while ASPN trades at $6.37 with a QOC of 5.8/10.

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).