Observatory · observe first

AT&T

T · United States · Integrated Telecommunication Services · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.571%
12M weight contribution
-0.420 pp
3M weight contribution
+0.005 pp
12M price return
-11.5%

Share of matched S&P 500 members

Monthly observations through Nov 2018

0.50.71.02018

Company price index

A separate dimension from market allocation

87931002018

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Nov 2018$171.7bn0.571%-0.420 pp-11.5%No
Oct 2018$142.3bn0.482%-0.508 pp-13.1%No
Sep 2018$184.2bn0.587%-0.404 pp-6.7%No
Aug 2018$175.2bn0.565%-0.425 pp-11.3%No
Jul 2018$148.3bn0.865%-0.126 pp-11.2%No
Jun 2018$148.9bn0.904%-0.087 pp-12.6%No
May 2018$149.9bn0.910%-0.081 pp-12.1%No
Apr 2018$151.7bn0.932%-0.058 pp-11.0%No
Mar 2018$165.4bn1.015%+0.024 pp-4.8%Yes
Feb 2018$168.4bn1.009%+0.019 pp-3.1%Yes
Jan 2018$173.6bn0.990%+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.