Observatory · observe first
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
0.042%
12M weight contribution
-0.018 pp
3M weight contribution
+0.011 pp
12M price return
-6.3%
Share of matched S&P 500 members
Monthly observations through Aug 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 |
|---|---|---|---|---|---|
| Aug 2024 | $17.3bn | 0.042% | -0.018 pp | -6.3% | Yes |
| 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 |
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.