Data as of . Every figure is the themes desk's own, on published data.
COPX vs SKYY
0% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, COPX and SKYY hold 0% of their money in the same securities at the same weight.
| Only in COPX | Only in SKYY |
|---|---|
| Lundin Mining Corporation 6.07% | Nutanix, Inc. (Class A) 4.27% |
| GLENCORE PLC 6.00% | Everpure, Inc. (Class A) 4.09% |
| Sumitomo Metal Mining Co., Ltd. 5.98% | Arista Networks, Inc. 3.97% |
| KGHM POLSKA MIEDZ SPOLKA AKCYJNA 5.82% | Microsoft Corporation 3.62% |
| FREEPORT-MCMORAN INC. 5.06% | Amazon.com, Inc. 3.12% |
| Hudbay Minerals Inc. 4.95% | MongoDB, Inc. 2.99% |
| BHP GROUP LIMITED 4.92% | Alphabet Inc. (Class A) 2.91% |
| ANTOFAGASTA PLC 4.87% | Atlassian Corporation (Class A) 2.88% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings as filed for Apr 30, 2026 and Sep 4, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| COPX | SKYY | COPX | SKYY | COPX | SKYY | |
| 3 months | +12.8% | +14.8% | +8.1 pts | +10.1 pts | +10.7 pts | +12.7 pts |
| 6 months | +13.8% | +42.8% | −1.4 pts | +27.6 pts | −6.4 pts | +22.6 pts |
| 1 year | +85.6% | +26.4% | +65.7 pts | +6.5 pts | +60.0 pts | +0.9 pts |
| 3 years | +153.8% | +98.2% | +75.8 pts | +20.2 pts | +60.3 pts | +4.7 pts |
| Since launch | +191.0% | +723.9% | −559.9 pts | +74.8 pts | −1371.8 pts | −579.0 pts |
| COPX Global X Copper Miners ETF | SKYY First Trust Cloud Computing ETF | |
|---|---|---|
| Issuer | Global X | First Trust |
| Theme | Electrification and the grid | Cloud and software |
| In the S&P 500 | 5.1% | 38.4% |
| Active share vs the S&P 500 | 99.9% | 86.5% |
| In the Nasdaq-100 | 0.0% | 19.9% |
| Holdings | 39 | 64 |
| Top ten, share of the fund | 53.4% | 32.7% |
| Expense ratio | 0.65% | 0.60% |
| Fee for the differing part | 0.65% | 0.69% |
| Total return, 1 year | +85.6% | +26.4% |
| vs the S&P 500 | +65.7 pts | +6.5 pts |
| vs the Nasdaq-100 | +60.0 pts | +0.9 pts |
| Below its high | −6.0% | −4.3% |
COPX in plain words
By weight, 5% of COPX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 53% of the fund across 39 positions, as filed for Apr 30, 2026. Over the year to Sep 4, 2026 the fund returned +85.6% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 65.7 pts. It sits 6.0% below its all-time high of Aug 27, 2026.
SKYY in plain words
By weight, 38% of SKYY's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 86%. The top ten holdings are 33% of the fund across 64 positions, as filed for Sep 3, 2026. Over the year to Sep 4, 2026 the fund returned +26.4% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 6.5 pts.
Questions people ask
- Do COPX and SKYY hold the same stocks?
- By their latest filings, 0% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, COPX or SKYY?
- COPX has 5% of its weight in S&P 500 names and SKYY has 38%, so COPX differs more from the index.
- Which is cheaper, COPX or SKYY?
- COPX charges 0.65% a year and SKYY charges 0.60%, so SKYY is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, COPX against SKYY, data as of Sep 4, 2026. https://etfiq.com/compare/themes/COPX-SKYY.html Free to use with attribution; the underlying files are at Open data.