Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
BITO vs SPYM: how they differ
BITO and SPYM hold 0% of their weight in the same names, and SPYM returned more over the year.
ProShares Bitcoin ETF and State Street(R) SPDR(R) Portfolio S&P 500(R) ETF.
What they hold in common
By the books each fund has filed, BITO and SPYM hold 0% of their money in the same securities at the same weight.
| Only in BITO | Only in SPYM |
|---|---|
| CME BITCOIN FUT DIGITAL ASSETS 25/SEP/20 81.49% | NVIDIA CORP 8.07% |
| COINBASE BIT FUT DIGITAL ASSETS 25/SEP/2 14.27% | APPLE INC 7.32% |
| S&P CME BITCOIN FUTURES DAILY ROLL INDEX 4.24% | MICROSOFT CORP 5.58% |
| AMAZON.COM INC 3.76% | |
| ALPHABET INC CL A 2.98% | |
| BROADCOM INC 2.61% | |
| ALPHABET INC CL C 2.38% | |
| META PLATFORMS INC CLASS A 2.16% |
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 dated Sep 10, 2026 and Sep 11, 2026.
| BITO ProShares Bitcoin ETF | SPYM State Street(R) SPDR(R) Portfolio S&P 500(R) ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | ProShares | State Street |
| What it is | Bitcoin | S&P 500 |
| Total return, 1 year | −34.8% | +17.6% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −52.3 pts | +0.1 pts |
| Expense ratio | 0.95% | 1.30% |
| Holdings | 3 | 507 |
BITO in plain words
BITO is a digital asset fund tracking the Bitcoin. Over the year to Sep 11, 2026 it returned −34.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.95% a year. It sat 40.3% below its high of Oct 6, 2025 on Sep 11, 2026.
SPYM in plain words
SPYM is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 1.30% a year. By its holdings filed for Sep 10, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 507 positions, with the top ten at 38.1%.
Questions people ask
- Which returned more over the last year, BITO or SPYM?
- In the year to Sep 13, 2026, with distributions reinvested, BITO returned −34.8% and SPYM returned +17.6%, so SPYM returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, BITO or SPYM?
- BITO charges 0.95% a year and SPYM charges 1.30%, so BITO is cheaper. Fees come from each fund's prospectus.
Other comparisons
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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, BITO against SPYM, data as of Sep 13, 2026. https://etfiq.com/compare/any/bito-vs-spym Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources