Is PNW or SO more undervalued in 2026?

CirclFi compares Pinnacle West Capital Corporati (PNW) and Southern Company (The) (SO) using 13 institutional-grade valuation models. PNW has a Quality of Company score of 5.7/10 while SO scores 6.6/10.

Which is a better buy — PNW or SO?

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 PNW and SO valuations compare?

PNW at $99.74 and SO at $92.05 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

PNW vs SO Valuation Comparison 2026 — Intrinsic Value Analysis

PNW

Electric Services

Pinnacle West Capital Corporati

Quality

5.7

out of 10

Value Trap

SAFE

Price

$99.74

Last close

Models

13/13

Active

SO

Electric Services

Southern Company (The)

Quality

6.6

out of 10

Value Trap

SAFE

Price

$92.05

Last close

Models

12/13

Active

Model-by-Model Comparison

Model	Type	PNW Fair Value	PNW Upside	SO Fair Value	SO Upside
Bayesian DCF	Intrinsic	$6.18	-94.0%	$66.86	-27.4%
Earnings Power Value	Intrinsic	$5.08	-95.1%	$4.58	-95.3%
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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PNW vs SO — Which Stock Is More Undervalued?

SO scores higher with a 6.6/10 quality rating vs PNW's 5.7/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Pinnacle West Capital Corporati (PNW) and Southern Company (The) (SO) 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.

PNW currently trades at $99.74 with a QOC of 5.7/10, while SO trades at $92.05 with a QOC of 6.6/10.

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).