LyondellBasell

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

Historical time machine

Historical observation

20182026

Universe weight

0.000%

12M weight contribution

-0.184 pp

3M weight contribution

-0.155 pp

12M price return

-10.9%

Share of matched S&P 500 members

Monthly observations through Feb 2020

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 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
Jul 2019	$31.0bn	0.165%	-0.088 pp	-21.0%	No
Jun 2019	$31.9bn	0.172%	-0.089 pp	-18.0%	Yes
May 2019	$27.5bn	0.160%	-0.107 pp	-31.0%	Yes
Apr 2019	$32.7bn	0.182%	-0.073 pp	-13.1%	Yes
Mar 2019	$31.2bn	0.179%	-0.077 pp	-17.1%	Yes
Feb 2019	$31.7bn	0.184%	-0.072 pp	-17.9%	Yes
Jan 2019	$33.4bn	0.110%	-0.160 pp	-24.6%	No
Dec 2018	$31.9bn	0.114%	-0.156 pp	-27.9%	No
Nov 2018	$35.8bn	0.119%	-0.151 pp	-20.0%	No
Oct 2018	$34.2bn	0.116%	-0.154 pp	-23.5%	No
Sep 2018	$39.9bn	0.127%	-0.142 pp	-12.1%	No
Aug 2018	$43.9bn	0.142%	-0.128 pp	-4.2%	No
Jul 2018	$43.4bn	0.253%	-0.016 pp	-5.9%	No
Jun 2018	$43.1bn	0.261%	-0.008 pp	-6.7%	Yes
May 2018	$44.0bn	0.267%	-0.003 pp	-5.6%	Yes
Apr 2018	$41.5bn	0.255%	-0.015 pp	-11.0%	No
Mar 2018	$41.7bn	0.256%	-0.014 pp	-11.0%	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.