Observatory · observe first
LyondellBasell
LYB · United States · Specialty Chemicals · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.127%
12M weight contribution
-0.142 pp
3M weight contribution
-0.134 pp
12M price return
-12.1%
Share of matched S&P 500 members
Monthly observations through Sep 2018
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 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 |
| Feb 2018 | $42.7bn | 0.256% | -0.014 pp | -9.7% | No |
| Jan 2018 | $47.3bn | 0.270% | +0.000 pp | +0.0% | 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.