LyondellBasell

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

Historical time machine

Historical observation

20182026

Universe weight

0.073%

12M weight contribution

-0.030 pp

3M weight contribution

+0.014 pp

12M price return

+6.8%

Share of matched S&P 500 members

Monthly observations through Sep 2024

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
Sep 2024	$31.2bn	0.073%	-0.030 pp	+6.8%	Yes
Aug 2024	$32.1bn	0.078%	-0.025 pp	+5.4%	Yes
Jul 2024	$32.4bn	0.058%	-0.012 pp	+6.0%	No
Jun 2024	$31.1bn	0.058%	-0.011 pp	+9.8%	No
May 2024	$32.4bn	0.062%	-0.007 pp	+20.8%	No
Apr 2024	$32.6bn	0.094%	-0.010 pp	+11.4%	Yes
Mar 2024	$33.2bn	0.092%	-0.012 pp	+14.9%	No
Feb 2024	$32.5bn	0.093%	-0.017 pp	+10.1%	No
Jan 2024	$30.5bn	0.091%	-0.017 pp	+2.6%	No
Dec 2023	$30.8bn	0.092%	-0.006 pp	+20.7%	No
Nov 2023	$30.8bn	0.096%	+0.002 pp	+17.9%	Yes
Oct 2023	$29.3bn	0.100%	+0.011 pp	+24.5%	Yes
Sep 2023	$30.7bn	0.103%	+0.006 pp	+32.6%	Yes
Aug 2023	$32.0bn	0.102%	+0.005 pp	+25.5%	Yes
Jul 2023	$32.2bn	0.070%	-0.030 pp	+17.0%	No
Jun 2023	$29.9bn	0.069%	-0.042 pp	+10.7%	No
May 2023	$27.8bn	0.069%	-0.066 pp	-16.4%	No
Apr 2023	$30.8bn	0.104%	-0.022 pp	-1.8%	Yes
Mar 2023	$30.6bn	0.104%	-0.009 pp	+0.5%	Yes
Feb 2023	$31.3bn	0.110%	-0.001 pp	+8.6%	Yes
Jan 2023	$31.5bn	0.108%	-0.001 pp	+9.9%	Yes
Dec 2022	$27.0bn	0.098%	-0.001 pp	-1.0%	Yes
Nov 2022	$27.7bn	0.094%	-0.004 pp	+7.3%	No
Oct 2022	$24.9bn	0.088%	-0.015 pp	-9.5%	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.