Observatory · observe first

Paychex

PAYX · United States · Human Resource & Employment Services · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.061%
12M weight contribution
-0.052 pp
3M weight contribution
+0.013 pp
12M price return
-29.6%

Share of matched S&P 500 members

Monthly observations through Jun 2026

0.00.10.2201820192020202120222023202420252026

Company price index

A separate dimension from market allocation

96188279201820192020202120222023202420252026

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Jun 2026$35.2bn0.061%-0.052 pp-29.6%Yes
May 2026$34.7bn0.060%-0.069 pp-36.1%Yes
Apr 2026$33.2bn0.045%-0.082 pp-34.8%No
Mar 2026$33.0bn0.048%-0.084 pp-38.2%No
Feb 2026$33.6bn0.046%-0.076 pp-36.1%No
Jan 2026$37.0bn0.071%-0.047 pp-27.2%No
Dec 2025$40.3bn0.079%-0.036 pp-17.5%No
Nov 2025$40.2bn0.079%-0.037 pp-21.2%No
Oct 2025$42.1bn0.083%-0.035 pp-13.6%No
Sep 2025$45.6bn0.091%-0.021 pp-2.9%No
Aug 2025$50.2bn0.104%-0.010 pp+9.3%No
Jul 2025$52.0bn0.110%+0.027 pp+16.9%No
Jun 2025$52.4bn0.113%+0.033 pp+26.2%No
May 2025$56.9bn0.129%+0.046 pp+35.2%Yes
Apr 2025$53.0bn0.127%+0.003 pp+27.5%Yes
Mar 2025$55.6bn0.132%+0.009 pp+29.4%Yes
Feb 2025$54.6bn0.122%-0.004 pp+27.4%Yes
Jan 2025$53.2bn0.118%-0.012 pp+25.0%Yes
Dec 2024$50.5bn0.114%-0.013 pp+21.3%Yes
Nov 2024$52.6bn0.116%-0.021 pp+23.6%Yes
Oct 2024$50.1bn0.118%-0.019 pp+29.4%Yes
Sep 2024$48.3bn0.112%-0.027 pp+20.0%Yes
Aug 2024$47.2bn0.114%-0.026 pp+10.7%Yes
Jul 2024$46.1bn0.083%-0.016 pp+5.2%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.