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Arch Capital Group vs American International Group: Which Stock Looks Stronger in 2026?

Arch Capital holds the cleaner structural position, with the lead spread across growth and profitability. American International still has the edge on stability, which keeps the comparison from looking entirely one-sided. The market setup broadly confirms the structural lead — Arch Capital holds the more constructive position. That puts structure and market broadly in agreement — Arch Capital's lead looks more confirmed than conflicted.

The comparison is based on similar long-term financial trajectories, not sector labels.

Updated 2026-04-05

The lead is spread across growth and profitability, rather than sitting in one isolated gap. Arch Capital Group Ltd. leads by 21 points on the overall comparison score.

INDUSTRY COMPARISON

Both operate in: Insurance - Diversified

This comparison is based on industry proximity, not on functional trajectory similarity. ACGL and AIG share the same industry classification.

For a similarity-based comparison, see how Arch Capital and American International each position within their functional peer groups in AssetNext.

Peer-Relative Score
ACGL
Arch Capital Group Ltd.
76
Peer-Score
Signal qualityMedium
vs
AIG
American International Group, Inc.
55
Peer-Score
Signal qualityLow

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

The largest gaps do not all point in the same direction.

Dimension spread: ACGL vs AIG Profitability 69 31 Stability 72 82 Valuation 88 82 Growth 72 26 ACGL AIG
Gap Ranking
#1 Growth +46
#2 Profitability +38
#3 Stability +10
#4 Valuation +6
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for ACGL and AIG Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer ACGLAIG Relative valuation Structural strength

Arch Capital Group Ltd. looks stronger both structurally and on relative valuation.

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

Relative Position vs Comparable Companies
Growth
On growth, Arch Capital Group Ltd. ranks near the top of the group; American International Group, Inc. sits in the weaker half.
Profitability
The same broad pattern appears on profitability: Arch Capital Group Ltd. ranks near the top of the group, while American International Group, Inc. stays in the weaker half.
Growth — Dominant Gap
ACGL
72
AIG
26
Gap+46in favour of ACGL

One company is still expanding while the other is contracting, which creates a very wide growth split.

What keeps the gap from being one-sided

American International Group, Inc. still shows lower market-fundamental divergence, which keeps the wider picture mixed rather than completely one-sided.

What this means for the comparison

The lead is built on both growth and profitability — though stability still provides a counterweight.

Explore full peer positioning in AssetNext

Break down the ACGL vs AIG comparison across all dimensions with the full interactive tool.

Explore full breakdown →
Similar growth-and-profitability comparisons

Explore how ACGL and AIG 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.

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.