Observatory · observe first

IBM

IBM · United States · IT Consulting & Other Services · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.782%
12M weight contribution
-0.045 pp
3M weight contribution
-0.045 pp
12M price return
-10.6%

Share of matched S&P 500 members

Monthly observations through Apr 2018

0.80.80.82018

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
Apr 2018$127.2bn0.782%-0.045 pp-10.6%No
Mar 2018$135.1bn0.829%+0.003 pp-5.4%Yes
Feb 2018$137.2bn0.822%-0.004 pp-3.9%No
Jan 2018$144.9bn0.826%+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.