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

0.044%

12M weight contribution

-0.054 pp

3M weight contribution

-0.026 pp

12M price return

-34.2%

Share of matched S&P 500 members

Monthly observations through May 2023

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
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
Jul 2022	$22.6bn	0.078%	-0.025 pp	-24.5%	No
Jun 2022	$21.4bn	0.083%	-0.028 pp	-32.0%	No
May 2022	$27.2bn	0.098%	-0.032 pp	-25.4%	Yes
Apr 2022	$27.7bn	0.100%	-0.034 pp	-25.6%	Yes
Mar 2022	$27.1bn	0.091%	+0.021 pp	-25.0%	Yes
Feb 2022	$25.9bn	0.090%	+0.021 pp	-24.7%	No
Jan 2022	$26.5bn	0.089%	+0.027 pp	+1.9%	No
Dec 2021	$25.4bn	0.081%	-0.030 pp	-8.1%	No
Nov 2021	$26.3bn	0.089%	-0.027 pp	-4.2%	No
Oct 2021	$28.0bn	0.093%	-0.017 pp	+19.6%	No
Sep 2021	$30.4bn	0.107%	+0.107 pp	+37.1%	No
Aug 2021	$29.5bn	0.098%	+0.098 pp	+32.5%	No
Jul 2021	$29.9bn	0.102%	+0.102 pp	+63.5%	No
Jun 2021	$31.4bn	0.111%	+0.111 pp	+55.3%	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.