Universe›Energy›Oil & Gas Exploration & Production›Oil & Gas Exploration & Production›Occidental Petroleum
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Occidental Petroleum
OXY · United States · Oil & Gas Exploration & Production · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.099%
12M weight contribution
+0.008 pp
3M weight contribution
+0.018 pp
12M price return
+32.6%
Share of matched S&P 500 members
Monthly observations through Jul 2026
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 2026 | $56.8bn | 0.099% | +0.008 pp | +32.6% | Yes |
| Jun 2026 | $48.3bn | 0.084% | -0.005 pp | +18.0% | No |
| May 2026 | $56.3bn | 0.098% | +0.007 pp | +41.9% | Yes |
| Apr 2026 | $59.7bn | 0.081% | -0.008 pp | +57.0% | No |
| Mar 2026 | $64.1bn | 0.093% | -0.017 pp | +34.5% | Yes |
| Feb 2026 | $52.4bn | 0.072% | -0.031 pp | +11.1% | No |
| Jan 2026 | $44.7bn | 0.086% | -0.012 pp | -0.6% | No |
| Dec 2025 | $40.5bn | 0.079% | -0.026 pp | -14.9% | No |
| Nov 2025 | $41.4bn | 0.081% | -0.023 pp | -15.2% | No |
| Oct 2025 | $40.6bn | 0.079% | -0.027 pp | -16.1% | No |
| Sep 2025 | $46.5bn | 0.093% | -0.016 pp | -6.4% | Yes |
| Aug 2025 | $46.9bn | 0.097% | -0.028 pp | -14.8% | Yes |
| Jul 2025 | $43.2bn | 0.091% | -0.005 pp | -26.3% | No |
| Jun 2025 | $41.3bn | 0.089% | -0.016 pp | -32.0% | No |
| May 2025 | $40.1bn | 0.091% | -0.015 pp | -33.6% | No |
| Apr 2025 | $37.0bn | 0.089% | -0.080 pp | -39.4% | No |
| Mar 2025 | $46.3bn | 0.110% | -0.049 pp | -22.7% | Yes |
| Feb 2025 | $45.8bn | 0.103% | -0.050 pp | -18.1% | No |
| Jan 2025 | $43.8bn | 0.097% | -0.053 pp | -17.7% | No |
| Dec 2024 | $46.4bn | 0.105% | -0.052 pp | -15.9% | No |
| Nov 2024 | $47.5bn | 0.105% | -0.058 pp | -13.2% | No |
| Oct 2024 | $45.4bn | 0.107% | -0.079 pp | -17.7% | No |
| Sep 2024 | $46.7bn | 0.109% | -0.083 pp | -19.4% | No |
| Aug 2024 | $51.6bn | 0.125% | -0.052 pp | -8.0% | 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.