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NiSource vs The Southern Company: Which Stock Looks Stronger in 2026?

The Southern Company holds the cleaner structural position, with the lead spread across profitability and growth. NiSource does not offset that deficit through any equally strong structural edge elsewhere. Both sides have seen trend damage — neither carries a clear market edge right now. With both trends damaged, the structural comparison carries most of the weight here.

The comparison is based on similar long-term financial trajectories, not sector labels. Both peer scores are relative to the S&P 500 universe, making them directly comparable.

Updated 2026-08-16

The lead is spread across profitability and growth, rather than sitting in one isolated gap. The overall score gap is 22 points in favour of The Southern Company.

Trajectory Similarity
0.82
Similar
Peer-set rank: #7
within NiSource Inc.'s functional peer set

This comparison is anchored in long-term financial trajectory similarity within the selected peer universe.

This level of similarity signals a strong structural match, even though some dimensions still separate the two companies.

The match is driven mainly by capital structure and margin trend.

Similarity drivers
capital structuremargin trend
How to read the score
0.85–1.00 · Very similar0.70–0.84 · Similar0.55–0.69 · Moderately similarbelow 0.55 · Loose match
Peer-Relative Score
NI
NiSource Inc.
46
Peer-Score
Signal qualitylow
Peer basis: S&P 500
vs
SO
The Southern Company
68
Peer-Score
Signal qualitylow
Peer basis: S&P 500

Scores reflect position relative to comparable companies with similar long-term financial trajectories.

Score differences across key dimensions.

Dimension spread: NI vs SO Profitability 37 72 Stability 45 74 Valuation 66 66 Growth 30 61 NI SO
Gap Ranking
#1 Profitability +35
#2 Growth +31
#3 Stability +29
#4 Valuation
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for NI and SO Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer NISO Relative valuation Structural strength

The setup is mixed: neither company clearly combines the stronger profile with the more supportive price setup.

Valuation position uses peer-relative PE percentile (idx_pct_pe) where available.

Entry today — historical context

Where NI and SO each sit in their own 5-year price and valuation history.

BASED ON 5-YEAR HISTORY NI Elevated · near norm 0th 50th 100th 4 pct gap SO Elevated · above norm 0th 50th 100th 87th 92nd
NI (87th percentile) and SO (92nd percentile) both sit in the upper portion of their own 5-year ranges. The historical entry context is broadly similar for both. This reflects entry timing, not which company is structurally stronger.

Describes historical entry positioning only. Descriptive — not investment advice.

Relative Position vs Comparable Companies
Profitability
On profitability, The Southern Company ranks near the top of the group; NiSource Inc. sits in the weaker half.
Growth
The Southern Company sits in the stronger part of the group on growth, while NiSource Inc. is closer to mid-pack.
Profitability — Dominant Gap
NI
37
SO
72
Gap+35in favour of SO

The profitability lead is mainly driven by a 12.5-point operating margin advantage.

What else supports the lead

Earnings growth is one contributing factor within the growth lead.

What this means for the comparison

The lead is built on both profitability and growth, making it broader than a single-dimension result.

Explore full peer positioning in AssetNext

Break down the NI vs SO comparison across all dimensions with the full interactive tool.

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Similar profitability-and-growth comparisons

Explore how NI and SO each compare against other companies in their peer groups.

Rule-based, descriptive analysis only. Derived from peer percentile dimensions. Not investment advice. Peer groups are determined algorithmically based on structural similarity — not by sector classification alone.

How AssetNext Peer Scores Work

AssetNext scores reflect each company's structural position within its functional peer group — not a ranking against all stocks simultaneously. Peers are identified by similarity across eight financial dimensions, including revenue growth trajectory, margin structure, capital intensity, and earnings stability. A score of 75 means the company ranks in the top quartile within its own peer group, not the entire market.

Four dimension scores drive the overall peer score: Growth (revenue trajectory and expansion dynamics), Quality (margin structure and capital efficiency), Valuation (peer-relative pricing on standard multiples), and Stability (earnings consistency and financial predictability). Each dimension is scored 0–100 relative to the peer group, then combined into an overall peer score using equal weighting.

Because scores are peer-relative, the same company can have slightly different scores in different index universes. On comparison pages, both companies are shown within their shared peer universe wherever possible — so the scores are directly comparable. The peer basis is stated on each score card.

Scores are recalculated periodically as underlying financial data is updated. All analysis is descriptive and rule-based — AssetNext describes structural realities and never issues buy, sell or hold recommendations.