LyondellBasell

LYB · United States · Specialty Chemicals · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.114%

12M weight contribution

+0.114 pp

3M weight contribution

-0.012 pp

12M price return

+66.5%

Share of matched S&P 500 members

Monthly observations through Jul 2021

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
Jul 2021	$33.2bn	0.114%	+0.114 pp	+66.5%	Yes
Jun 2021	$34.4bn	0.121%	+0.121 pp	+64.0%	Yes
May 2021	$37.7bn	0.135%	+0.135 pp	+86.0%	Yes
Apr 2021	$34.7bn	0.126%	+0.018 pp	+88.5%	Yes
Mar 2021	$34.8bn	0.068%	+0.068 pp	+120.7%	No
Feb 2021	$34.4bn	0.069%	+0.069 pp	+50.4%	No
Jan 2021	$28.6bn	0.069%	-0.059 pp	+16.5%	No
Dec 2020	$30.6bn	0.124%	-0.031 pp	+2.6%	Yes
Nov 2020	$28.4bn	0.121%	-0.035 pp	-2.7%	Yes
Oct 2020	$22.9bn	0.108%	-0.049 pp	-19.3%	Yes
Sep 2020	$23.5bn	0.000%	-0.159 pp	-16.7%	No
Aug 2020	$21.9bn	0.000%	-0.141 pp	-9.3%	No
Jul 2020	$20.9bn	0.000%	-0.165 pp	-21.1%	No
Jun 2020	$21.9bn	0.000%	-0.172 pp	-19.5%	No
May 2020	$21.3bn	0.000%	-0.160 pp	-9.5%	No
Apr 2020	$19.3bn	0.108%	-0.074 pp	-30.8%	Yes
Mar 2020	$16.6bn	0.000%	-0.179 pp	-37.8%	No
Feb 2020	$23.8bn	0.000%	-0.184 pp	-10.9%	No
Jan 2020	$26.0bn	0.128%	+0.018 pp	-5.9%	No
Dec 2019	$31.5bn	0.155%	+0.040 pp	+19.4%	No
Nov 2019	$30.9bn	0.155%	+0.037 pp	+5.4%	No
Oct 2019	$30.1bn	0.157%	+0.041 pp	+5.6%	No
Sep 2019	$30.0bn	0.159%	+0.032 pp	-8.2%	No
Aug 2019	$25.9bn	0.141%	-0.001 pp	-28.2%	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.