Observatory · observe first
Aflac
AFL · United States · Life & Health Insurance · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.099%
12M weight contribution
-0.028 pp
3M weight contribution
+0.019 pp
12M price return
+10.9%
Share of matched S&P 500 members
Monthly observations through May 2026
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 2026 | $57.2bn | 0.099% | -0.028 pp | +10.9% | Yes |
| Apr 2026 | $58.7bn | 0.080% | -0.063 pp | +6.9% | No |
| Mar 2026 | $56.7bn | 0.082% | -0.062 pp | +0.8% | No |
| Feb 2026 | $58.3bn | 0.080% | -0.054 pp | +5.4% | No |
| Jan 2026 | $58.2bn | 0.111% | -0.021 pp | +5.6% | No |
| Dec 2025 | $57.8bn | 0.113% | -0.017 pp | +8.9% | No |
| Nov 2025 | $57.8bn | 0.114% | -0.026 pp | -1.1% | No |
| Oct 2025 | $57.3bn | 0.112% | -0.026 pp | +4.5% | No |
| Sep 2025 | $59.7bn | 0.120% | -0.026 pp | +2.0% | No |
| Aug 2025 | $57.2bn | 0.118% | -0.031 pp | -1.1% | No |
| Jul 2025 | $53.7bn | 0.113% | +0.016 pp | +6.3% | No |
| Jun 2025 | $57.0bn | 0.123% | +0.028 pp | +20.5% | No |
| May 2025 | $56.0bn | 0.127% | +0.029 pp | +17.6% | No |
| Apr 2025 | $59.4bn | 0.143% | +0.003 pp | +32.6% | Yes |
| Mar 2025 | $60.8bn | 0.144% | +0.007 pp | +32.2% | Yes |
| Feb 2025 | $59.8bn | 0.134% | +0.000 pp | +38.4% | No |
| Jan 2025 | $59.7bn | 0.133% | -0.014 pp | +30.1% | No |
| Dec 2024 | $57.5bn | 0.130% | -0.013 pp | +28.1% | No |
| Nov 2024 | $63.3bn | 0.140% | -0.011 pp | +40.8% | Yes |
| Oct 2024 | $58.7bn | 0.138% | -0.020 pp | +37.1% | Yes |
| Sep 2024 | $62.6bn | 0.146% | -0.007 pp | +48.9% | Yes |
| Aug 2024 | $61.8bn | 0.149% | +0.008 pp | +51.3% | Yes |
| Jul 2024 | $54.2bn | 0.097% | +0.002 pp | +34.9% | No |
| Jun 2024 | $50.7bn | 0.095% | -0.002 pp | +30.9% | 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.