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
0.369%
12M weight contribution
-0.655 pp
3M weight contribution
-0.319 pp
12M price return
-16.4%

Share of matched S&P 500 members

Monthly observations through Jan 2021

0.00.61.12018201920202021

Company price index

A separate dimension from market allocation

821001192018201920202021

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Jan 2021$154.1bn0.369%-0.655 pp-16.4%No
Dec 2020$154.8bn0.627%-0.431 pp-19.6%Yes
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

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.