Observatory · observe first
Cboe Global Markets
CBOE · United States · Financial Exchanges & Data · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.057%
12M weight contribution
+0.003 pp
3M weight contribution
+0.014 pp
12M price return
+29.3%
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 | $32.4bn | 0.057% | +0.003 pp | +29.3% | Yes |
| Jun 2026 | $25.4bn | 0.044% | -0.009 pp | +4.5% | No |
| May 2026 | $34.9bn | 0.060% | +0.006 pp | +46.2% | Yes |
| Apr 2026 | $31.4bn | 0.043% | -0.013 pp | +36.0% | No |
| Mar 2026 | $29.4bn | 0.043% | -0.013 pp | +24.9% | No |
| Feb 2026 | $31.4bn | 0.043% | -0.006 pp | +42.9% | No |
| Jan 2026 | $27.7bn | 0.053% | +0.006 pp | +30.5% | Yes |
| Dec 2025 | $26.3bn | 0.051% | +0.005 pp | +29.2% | No |
| Nov 2025 | $27.0bn | 0.053% | +0.003 pp | +20.3% | Yes |
| Oct 2025 | $25.7bn | 0.050% | -0.002 pp | +16.0% | No |
| Sep 2025 | $25.7bn | 0.051% | +0.001 pp | +20.8% | No |
| Aug 2025 | $24.7bn | 0.051% | -0.001 pp | +15.9% | No |
| Jul 2025 | $25.2bn | 0.053% | +0.019 pp | +32.9% | No |
| Jun 2025 | $24.4bn | 0.053% | +0.019 pp | +38.8% | No |
| May 2025 | $24.0bn | 0.054% | +0.020 pp | +34.0% | Yes |
| Apr 2025 | $23.2bn | 0.056% | +0.000 pp | +23.9% | Yes |
| Mar 2025 | $23.7bn | 0.056% | +0.002 pp | +24.7% | Yes |
| Feb 2025 | $22.1bn | 0.049% | -0.009 pp | +11.1% | Yes |
| Jan 2025 | $21.4bn | 0.048% | -0.010 pp | +12.5% | No |
| Dec 2024 | $20.5bn | 0.046% | -0.010 pp | +10.7% | No |
| Nov 2024 | $22.6bn | 0.050% | -0.010 pp | +19.9% | Yes |
| Oct 2024 | $22.3bn | 0.053% | -0.006 pp | +31.9% | Yes |
| Sep 2024 | $21.4bn | 0.050% | -0.005 pp | +32.7% | Yes |
| Aug 2024 | $21.5bn | 0.052% | +0.002 pp | +38.9% | 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.