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
0.657%
12M weight contribution
-0.382 pp
3M weight contribution
+0.656 pp
12M price return
-16.0%

Share of matched S&P 500 members

Monthly observations through Nov 2020

0.00.61.1201820192020

Company price index

A separate dimension from market allocation

82100119201820192020

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Nov 2020$154.7bn0.657%-0.382 pp-16.0%Yes
Oct 2020$145.4bn0.688%-0.419 pp-23.4%Yes
Sep 2020$153.4bn0.001%-1.108 pp-18.2%No
Aug 2020$160.4bn0.001%-1.058 pp-8.2%No
Jul 2020$159.2bn0.001%-0.998 pp-5.7%No
Jun 2020$162.7bn0.001%-0.995 pp-2.4%No
May 2020$166.1bn0.001%-0.981 pp+9.2%No
Apr 2020$165.1bn0.924%-0.025 pp+6.5%Yes
Mar 2020$157.9bn0.001%-0.990 pp+0.4%No
Feb 2020$190.8bn0.001%-0.992 pp+22.2%No
Jan 2020$207.6bn1.024%+0.479 pp+35.1%No
Dec 2019$215.6bn1.058%+0.497 pp+48.5%No
Nov 2019$206.2bn1.039%+0.468 pp+29.7%No
Oct 2019$212.4bn1.107%+0.625 pp+36.0%Yes
Sep 2019$208.8bn1.109%+0.522 pp+22.4%Yes
Aug 2019$194.6bn1.058%+0.493 pp+19.9%Yes
Jul 2019$187.7bn0.999%+0.134 pp+15.7%Yes
Jun 2019$184.7bn0.996%+0.092 pp+13.4%Yes
May 2019$168.6bn0.982%+0.072 pp+2.8%Yes
Apr 2019$170.3bn0.949%+0.017 pp+2.9%Yes
Mar 2019$172.6bn0.991%-0.023 pp-4.6%Yes
Feb 2019$171.2bn0.993%-0.017 pp-7.1%Yes
Jan 2019$165.2bn0.545%-0.445 pp-13.0%No
Dec 2018$156.9bn0.561%-0.430 pp-19.2%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.