ACGL vs AIG

Arch Capital Group and American International Group, both Financial Services

American International Group is the larger company at $39B against $32B. On trailing earnings ACGL is the cheaper of the two at a P/E of 7.9 against 14.1, a gap that is only a bargain if the two are growing at similar rates. Over the past year ACGL returned +12% against -0.3% for AIG. Ryufin's sector-relative Smart Score puts ACGL ahead, 8/10 against 3/10.

Arch Capital Group and American International Groupcompared on valuation, return and Ryufin’s Smart Score
FigureACGLAIG
Last close$101$76.97
Market cap$32B$39B
Trailing P/Elower is cheaper for the same earnings, not automatically better7.914.1
Dividend yield5.0%2.3%
1-year return+12%-0.3%
5-year return+172%+82%
Ryufin Smart Scoresector-relative, 1–108/103/10

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 read the correlation.