ACGL vs AIG

Arch Capital Group and American International Group, both Financial Services

American International Group is the larger company at $42B against $35B. On trailing earnings ACGL is the cheaper of the two at a P/E of 8.0 against 14.9, a gap that is only a bargain if the two are growing at similar rates. Over the past year ACGL returned +18% against +7.4% for AIG.

Arch Capital Group and American International Group compared on valuation, return and the RyuScore
FigureACGLAIG
Last close$102$81.26
Market cap$35B$42B
Trailing P/Elower is cheaper for the same earnings, not automatically better8.014.9
Dividend yield5.0%2.1%
1-year return+18%+7.4%
5-year return+166%+56%

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

Arch Capital Group

Revenue of $4.7B in Q2 2026, net income $1.1B.

American International Group

Revenue of $7.1B in Q2 2026, net income $948M. Its largest reported line is General Insurance, 60% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or see the correlation.