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Chubb vs AIG: which stock is doing better?

Chubb and AIG are business rivals. Where they compete: global commercial and personal P&C insurance, specialty lines. Here is how the two stocks, and the businesses behind them, compare over the past year.

Updated Oct 9, 2026

34
CB P3

CB ahead

On Stox’s P3 score, which combines market beat, staying power and business growth, Chubb rates 34 and AIG 26. Over the past year Chubb is +19% and AIG −8%, against +16% for the S&P 500. Chubb has grown revenue faster, +8% against −2%. Chubb swings less, about 1.8% on a typical day against 2.2%. By type, Chubb is an Exhausted Rally and AIG a Bottom Fished.

CB P3 34AIG P3 26Both in Insurance

The past year

CB against AIG, each set to $100 a year ago. Select a measure in the table below to chart it for both.

CB against AIG, past year
$100 a year ago. CB +19%, AIG −8%.
100120NovDecJanFebMarAprMayJunJulAugSepOct
CBAIG

CB and AIG side by side

Ahead marks the stronger reading on each line; for the typical day and the deepest fall it marks the steadier stock. Select a row with a chart to see both over the year.

MeasureCBAIGAhead
Past 3 months
Share price change
−4%−4%Level
Past month
Share price change
+1%+3%AIG
Revenue growth
Past four quarters against the year before
+8%−2%CB
Operating margin
Operating profit as a share of revenue, past four quarters
19%15%CB
Deepest fall
From a high, past year
−10%−17%CB, held up
Market value
What the market values the company at
$131.6B$40.8B
Type
Its Stox Atlas type
Exhausted RallyBottom Fished
Group
Stocks it moves with
InsuranceInsuranceSame group

How to read this page

How it’s measured. Scores from Stox rank each stock against about 1,200 large US stocks and funds, where 100 is best; P3 combines market beat, staying power and business growth. Returns are share-price changes. The typical day is the average true range over 14 days as a share of the price, averaged over the past year.

Sources. Daily prices and company financial statements from Financial Modeling Prep; scores and curated rivals from Stox.

A higher score describes a stronger past year, not what comes next.

Rivals are chosen by the markets the two businesses compete in, not by sector labels.

For financial statements, valuation and news, see CB and AIG on Stox.

This page is information, not investment advice. About our data and methods ›

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