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Observatory · observe first

American International Group

AIG · United States · Multi-line Insurance · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.310%
12M weight contribution
-0.018 pp
3M weight contribution
-0.018 pp
12M price return
-10.3%

Share of matched S&P 500 members

Monthly observations through Feb 2018

0.30.30.32018

Company price index

A separate dimension from market allocation

90951002018

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Feb 2018$51.7bn0.310%-0.018 pp-10.3%No
Jan 2018$57.5bn0.328%+0.000 pp+0.0%No

Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.