Observatory · observe first
Cigna
CI · United States · Health Care Services · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.318%
12M weight contribution
-0.090 pp
3M weight contribution
+0.130 pp
12M price return
+27.7%
Share of matched S&P 500 members
Monthly observations through Apr 2021
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 |
|---|---|---|---|---|---|
| Apr 2021 | $87.6bn | 0.318% | -0.090 pp | +27.7% | Yes |
| Mar 2021 | $85.1bn | 0.166% | +0.166 pp | +37.0% | No |
| Feb 2021 | $73.9bn | 0.148% | +0.147 pp | +14.8% | No |
| Jan 2021 | $78.4bn | 0.188% | -0.167 pp | +12.8% | Yes |
| Dec 2020 | $75.2bn | 0.304% | -0.070 pp | +1.8% | Yes |
| Nov 2020 | $75.6bn | 0.321% | -0.055 pp | +4.6% | Yes |
| Oct 2020 | $61.3bn | 0.290% | -0.057 pp | -6.4% | Yes |
| Sep 2020 | $62.2bn | 0.000% | -0.304 pp | +11.6% | No |
| Aug 2020 | $65.1bn | 0.000% | -0.316 pp | +15.2% | No |
| Jul 2020 | $63.7bn | 0.000% | -0.343 pp | +1.7% | No |
| Jun 2020 | $69.2bn | 0.000% | -0.322 pp | +19.1% | No |
| May 2020 | $72.8bn | 0.000% | -0.327 pp | +33.3% | No |
| Apr 2020 | $72.8bn | 0.408% | +0.071 pp | +23.3% | Yes |
| Mar 2020 | $65.9bn | 0.000% | -0.351 pp | +10.2% | No |
| Feb 2020 | $68.1bn | 0.000% | -0.384 pp | +4.9% | No |
| Jan 2020 | $71.8bn | 0.354% | +0.354 pp | -3.7% | Yes |
| Dec 2019 | $76.4bn | 0.375% | +0.375 pp | +7.7% | Yes |
| Nov 2019 | $74.7bn | 0.376% | +0.376 pp | -10.5% | Yes |
| Oct 2019 | $66.6bn | 0.347% | +0.347 pp | -16.5% | Yes |
| Sep 2019 | $57.3bn | 0.304% | +0.304 pp | -27.1% | No |
| Aug 2019 | $58.1bn | 0.316% | +0.316 pp | -18.2% | No |
| Jul 2019 | $64.5bn | 0.343% | +0.343 pp | -5.3% | No |
| Jun 2019 | $59.8bn | 0.322% | +0.322 pp | -7.3% | Yes |
| May 2019 | $56.2bn | 0.327% | +0.327 pp | -12.6% | 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.