Observatory · observe first
Duke Energy
DUK · United States · Electric Utilities · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.351%
12M weight contribution
+0.145 pp
3M weight contribution
-0.007 pp
12M price return
+16.1%
Share of matched S&P 500 members
Monthly observations through Jan 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 |
|---|---|---|---|---|---|
| Jan 2020 | $71.2bn | 0.351% | +0.145 pp | +16.1% | Yes |
| Dec 2019 | $66.5bn | 0.326% | +0.106 pp | +10.3% | No |
| Nov 2019 | $64.3bn | 0.324% | +0.114 pp | +3.9% | No |
| Oct 2019 | $68.7bn | 0.358% | +0.158 pp | +19.0% | Yes |
| Sep 2019 | $69.8bn | 0.371% | +0.189 pp | +25.0% | Yes |
| Aug 2019 | $67.6bn | 0.367% | +0.181 pp | +19.1% | Yes |
| Jul 2019 | $63.1bn | 0.336% | +0.002 pp | +11.0% | No |
| Jun 2019 | $64.2bn | 0.346% | +0.010 pp | +16.5% | Yes |
| May 2019 | $62.3bn | 0.363% | +0.035 pp | +15.9% | Yes |
| Apr 2019 | $66.2bn | 0.369% | +0.024 pp | +18.8% | Yes |
| Mar 2019 | $65.4bn | 0.376% | +0.043 pp | +21.4% | Yes |
| Feb 2019 | $65.2bn | 0.378% | +0.062 pp | +24.4% | Yes |
| Jan 2019 | $62.6bn | 0.206% | -0.107 pp | +17.1% | Yes |
| Dec 2018 | $61.5bn | 0.220% | -0.093 pp | +15.1% | No |
| Nov 2018 | $63.1bn | 0.210% | -0.104 pp | +18.1% | No |
| Oct 2018 | $58.9bn | 0.200% | -0.114 pp | +9.0% | No |
| Sep 2018 | $57.0bn | 0.182% | -0.132 pp | +5.6% | No |
| Aug 2018 | $57.9bn | 0.187% | -0.127 pp | +7.2% | No |
| Jul 2018 | $57.2bn | 0.334% | +0.020 pp | +6.5% | Yes |
| Jun 2018 | $55.4bn | 0.336% | +0.023 pp | +3.1% | Yes |
| May 2018 | $54.1bn | 0.328% | +0.015 pp | +0.6% | Yes |
| Apr 2018 | $56.1bn | 0.345% | +0.031 pp | +3.3% | Yes |
| Mar 2018 | $54.2bn | 0.333% | +0.019 pp | -0.1% | Yes |
| Feb 2018 | $52.7bn | 0.316% | +0.003 pp | -2.9% | Yes |
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.