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

0.291%

12M weight contribution

-0.182 pp

3M weight contribution

-0.203 pp

12M price return

+3.7%

Share of matched S&P 500 members

Monthly observations through Feb 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
Feb 2026	$212.1bn	0.291%	-0.182 pp	+3.7%	No
Jan 2026	$242.6bn	0.464%	-0.033 pp	+12.1%	No
Dec 2025	$254.8bn	0.499%	+0.025 pp	+26.0%	Yes
Nov 2025	$251.6bn	0.494%	+0.021 pp	+21.2%	Yes
Oct 2025	$248.5bn	0.487%	+0.040 pp	+35.0%	Yes
Sep 2025	$231.1bn	0.463%	+0.014 pp	+23.8%	No
Aug 2025	$230.5bn	0.478%	+0.034 pp	+29.5%	Yes
Jul 2025	$208.3bn	0.439%	+0.117 pp	+19.6%	No
Jun 2025	$223.5bn	0.482%	+0.170 pp	+39.3%	Yes
May 2025	$206.0bn	0.467%	+0.137 pp	+23.9%	No
Apr 2025	$186.6bn	0.448%	-0.039 pp	+15.1%	No
Mar 2025	$189.0bn	0.449%	-0.008 pp	+19.5%	No
Feb 2025	$211.4bn	0.473%	+0.018 pp	+38.7%	Yes
Jan 2025	$223.6bn	0.497%	+0.062 pp	+59.9%	Yes
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

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.