Is ATII or BCSS more undervalued in 2026?

CirclFi compares Archimedes Tech SPAC Partners I (ATII) and Bain Capital GSS Investment Cor (BCSS) using 13 institutional-grade valuation models. ATII has a Quality of Company score of 5.1/10 while BCSS scores 4.6/10.

Which is a better buy — ATII or BCSS?

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 ATII and BCSS valuations compare?

ATII at $11.22 and BCSS at $10.19 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

ATII vs BCSS Valuation Comparison 2026 — Intrinsic Value Analysis

ATII

Blank Checks

Archimedes Tech SPAC Partners I

Quality

5.1

out of 10

Value Trap

—

Price

$11.22

Last close

Models

11/13

Active

BCSS

Blank Checks

Bain Capital GSS Investment Cor

Quality

4.6

out of 10

Value Trap

—

Price

$10.19

Last close

Models

10/13

Active

Model-by-Model Comparison

Model	Type	ATII Fair Value	ATII Upside	BCSS Fair Value	BCSS Upside
Bayesian DCF	Intrinsic	$1.06	-90.1%	$0.38	-96.3%
Earnings Power Value	Intrinsic	$1.39	-87.0%	—	—
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
Dynamic NAV	Asset-Based	$3.78	-64.5%	$3.74	-63.3%
PWERM	Option-Based	$•••.••	••.•%	$•••.••	••.•%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%
RCMH-DCF	Intrinsic	$•••.••	••.•%	$•••.••	••.•%

🔒

Unlock Full 13-Model Comparison

Access all valuation models for ATII vs BCSS — including EROIC Spread, First Chicago, Markov DDM, PWERM, and 7 more.

Access Full Analysis — From $27/mo →

ATII vs BCSS — Which Stock Is More Undervalued?

ATII scores higher with a 5.1/10 quality rating vs BCSS's 4.6/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Archimedes Tech SPAC Partners I (ATII) and Bain Capital GSS Investment Cor (BCSS) 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.

ATII currently trades at $11.22 with a QOC of 5.1/10, while BCSS trades at $10.19 with a QOC of 4.6/10.

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).