Observatory · observe first
American Express
AXP · United States · Consumer Finance · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.474%
12M weight contribution
+0.067 pp
3M weight contribution
+0.025 pp
12M price return
+60.3%
Share of matched S&P 500 members
Monthly observations through Dec 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 |
|---|---|---|---|---|---|
| Dec 2024 | $209.1bn | 0.474% | +0.067 pp | +60.3% | Yes |
| Nov 2024 | $214.6bn | 0.474% | +0.086 pp | +80.6% | Yes |
| Oct 2024 | $190.3bn | 0.447% | +0.085 pp | +87.2% | Yes |
| Sep 2024 | $192.8bn | 0.449% | +0.082 pp | +84.2% | Yes |
| Aug 2024 | $183.9bn | 0.444% | +0.073 pp | +65.9% | Yes |
| Jul 2024 | $179.9bn | 0.322% | +0.051 pp | +51.9% | No |
| Jun 2024 | $166.6bn | 0.312% | +0.013 pp | +34.8% | No |
| May 2024 | $172.6bn | 0.330% | +0.039 pp | +53.5% | No |
| Apr 2024 | $168.3bn | 0.488% | +0.083 pp | +47.1% | Yes |
| Mar 2024 | $164.8bn | 0.457% | +0.038 pp | +40.0% | Yes |
| Feb 2024 | $158.8bn | 0.455% | -0.000 pp | +27.9% | Yes |
| Jan 2024 | $146.3bn | 0.435% | -0.012 pp | +16.4% | Yes |
| Dec 2023 | $136.5bn | 0.407% | +0.009 pp | +28.7% | Yes |
| Nov 2023 | $124.4bn | 0.388% | -0.012 pp | +10.0% | Yes |
| Oct 2023 | $106.4bn | 0.362% | -0.032 pp | -0.2% | Yes |
| Sep 2023 | $109.9bn | 0.367% | -0.031 pp | +12.2% | Yes |
| Aug 2023 | $116.4bn | 0.371% | -0.037 pp | +5.4% | Yes |
| Jul 2023 | $124.4bn | 0.271% | -0.126 pp | +11.2% | No |
| Jun 2023 | $129.5bn | 0.299% | -0.107 pp | +27.1% | No |
| May 2023 | $117.8bn | 0.291% | -0.167 pp | -4.7% | No |
| Apr 2023 | $119.9bn | 0.405% | -0.071 pp | -6.3% | No |
| Mar 2023 | $122.8bn | 0.419% | -0.059 pp | -10.6% | No |
| Feb 2023 | $129.5bn | 0.455% | -0.057 pp | -9.3% | Yes |
| Jan 2023 | $130.7bn | 0.447% | -0.021 pp | -1.4% | 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.