Southwest Airlines

LUV · United States · Passenger Airlines · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.029%

12M weight contribution

-0.015 pp

3M weight contribution

-0.016 pp

12M price return

-19.3%

Share of matched S&P 500 members

Monthly observations through Jul 2024

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
Jul 2024	$16.1bn	0.029%	-0.015 pp	-19.3%	No
Jun 2024	$17.1bn	0.032%	-0.018 pp	-19.1%	No
May 2024	$16.1bn	0.031%	-0.013 pp	-8.1%	No
Apr 2024	$15.5bn	0.045%	-0.016 pp	-12.4%	No
Mar 2024	$17.4bn	0.048%	-0.018 pp	-8.3%	No
Feb 2024	$20.4bn	0.059%	-0.012 pp	+4.4%	Yes
Jan 2024	$17.8bn	0.053%	-0.020 pp	-14.5%	Yes
Dec 2023	$17.2bn	0.051%	-0.021 pp	-11.8%	Yes
Nov 2023	$15.2bn	0.048%	-0.033 pp	-34.5%	No
Oct 2023	$13.3bn	0.045%	-0.032 pp	-37.5%	No
Sep 2023	$16.1bn	0.054%	-0.018 pp	-10.3%	Yes
Aug 2023	$18.8bn	0.060%	-0.018 pp	-12.5%	Yes
Jul 2023	$20.3bn	0.044%	-0.033 pp	-9.0%	No
Jun 2023	$21.5bn	0.050%	-0.033 pp	+1.8%	No
May 2023	$17.8bn	0.044%	-0.054 pp	-34.2%	No
Apr 2023	$18.0bn	0.061%	-0.039 pp	-34.5%	No
Mar 2023	$19.3bn	0.066%	-0.025 pp	-28.2%	No
Feb 2023	$20.0bn	0.070%	-0.020 pp	-22.9%	No
Jan 2023	$21.2bn	0.073%	-0.016 pp	-19.7%	No
Dec 2022	$20.0bn	0.072%	-0.009 pp	-21.4%	No
Nov 2022	$23.7bn	0.080%	-0.008 pp	-10.1%	Yes
Oct 2022	$21.6bn	0.077%	-0.017 pp	-23.1%	No
Sep 2022	$18.3bn	0.072%	-0.035 pp	-40.0%	No
Aug 2022	$21.8bn	0.078%	-0.021 pp	-26.3%	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.