Observatory · observe first

Cboe Global Markets

CBOE · United States · Financial Exchanges & Data · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.047%
12M weight contribution
+0.005 pp
3M weight contribution
+0.004 pp
12M price return
+65.0%

Share of matched S&P 500 members

Monthly observations through Oct 2021

0.00.00.12018201920202021

Company price index

A separate dimension from market allocation

64831022018201920202021

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Oct 2021$14.1bn0.047%+0.005 pp+65.0%Yes
Sep 2021$13.2bn0.046%+0.046 pp+43.5%Yes
Aug 2021$13.5bn0.045%+0.045 pp+39.7%Yes
Jul 2021$12.6bn0.043%+0.043 pp+37.4%Yes
Jun 2021$12.7bn0.045%+0.045 pp+29.8%Yes
May 2021$11.9bn0.043%+0.042 pp+6.4%Yes
Apr 2021$11.1bn0.040%-0.021 pp+6.8%Yes
Mar 2021$10.6bn0.021%+0.021 pp+12.5%No
Feb 2021$10.6bn0.021%+0.021 pp-11.7%No
Jan 2021$9.9bn0.024%-0.044 pp-24.4%No
Dec 2020$10.1bn0.041%-0.025 pp-21.2%Yes
Nov 2020$9.9bn0.042%-0.025 pp-22.0%Yes
Oct 2020$8.8bn0.042%-0.025 pp-28.4%Yes
Sep 2020$9.5bn0.000%-0.068 pp-22.6%No
Aug 2020$10.0bn0.000%-0.072 pp-21.9%No
Jul 2020$9.5bn0.000%-0.065 pp-18.8%No
Jun 2020$10.2bn0.000%-0.062 pp-8.9%No
May 2020$11.7bn0.000%-0.070 pp-0.7%No
Apr 2020$11.0bn0.061%-0.002 pp-1.0%Yes
Mar 2020$9.9bn0.000%-0.061 pp-5.4%No
Feb 2020$12.6bn0.000%-0.062 pp+20.3%No
Jan 2020$13.7bn0.067%+0.033 pp+33.7%No
Dec 2019$13.3bn0.065%+0.026 pp+24.2%No
Nov 2019$13.2bn0.066%+0.026 pp+11.8%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.