Southern Company

SO · United States · Electric Utilities · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.284%

12M weight contribution

+0.054 pp

3M weight contribution

-0.011 pp

12M price return

+14.1%

Share of matched S&P 500 members

Monthly observations through Sep 2022

Company price index

A separate dimension from market allocation

Historical observations

Most recent 24 observations at or before the selected month

Month	Market cap	Universe weight	12M weight change	12M return	Above 6M weight average
Sep 2022	$72.3bn	0.284%	+0.054 pp	+14.1%	No
Aug 2022	$81.9bn	0.293%	+0.060 pp	+21.9%	Yes
Jul 2022	$81.7bn	0.281%	+0.049 pp	+25.3%	Yes
Jun 2022	$75.8bn	0.295%	+0.069 pp	+22.7%	Yes
May 2022	$80.4bn	0.290%	+0.047 pp	+23.2%	Yes
Apr 2022	$78.0bn	0.282%	+0.028 pp	+15.5%	Yes
Mar 2022	$76.9bn	0.259%	+0.130 pp	+21.5%	Yes
Feb 2022	$68.7bn	0.238%	+0.118 pp	+19.0%	Yes
Jan 2022	$73.6bn	0.248%	+0.099 pp	+22.9%	Yes
Dec 2021	$72.7bn	0.233%	-0.030 pp	+16.3%	Yes
Nov 2021	$64.8bn	0.219%	-0.050 pp	+6.4%	No
Oct 2021	$66.0bn	0.220%	-0.067 pp	+13.0%	No
Sep 2021	$65.6bn	0.230%	+0.230 pp	+19.1%	No
Aug 2021	$69.6bn	0.233%	+0.232 pp	+31.2%	Yes
Jul 2021	$67.6bn	0.232%	+0.232 pp	+22.0%	Yes
Jun 2021	$64.1bn	0.226%	+0.226 pp	+21.8%	Yes
May 2021	$67.7bn	0.242%	+0.242 pp	+16.9%	Yes
Apr 2021	$70.0bn	0.254%	-0.081 pp	+21.9%	Yes
Mar 2021	$65.7bn	0.128%	+0.128 pp	+20.0%	No
Feb 2021	$59.9bn	0.120%	+0.120 pp	-1.8%	No
Jan 2021	$62.2bn	0.149%	-0.215 pp	-12.7%	No
Dec 2020	$64.9bn	0.263%	-0.065 pp	+0.6%	Yes
Nov 2020	$63.2bn	0.268%	-0.059 pp	+0.7%	Yes
Oct 2020	$60.7bn	0.287%	-0.055 pp	-4.3%	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.