Data as of .
OARK vs SIOO: which paid, and which earned it?
OARK and SIOO both write options for income.
What they hold in common
By the books each fund has filed, OARK and SIOO hold 0% of their money in the same securities at the same weight.
| Only in OARK | Only in SIOO |
|---|---|
| TREASURY BILL 37.81% | NVIDIA Corp 9.83% |
| TREASURY BILL 30.32% | Apple Inc 9.24% |
| TREASURY BILL 18.55% | United States Treasury Bill 12/10/2026 7.85% |
| TREASURY BILL 10.80% | Microsoft Corp 5.91% |
| TREASURY BILL 2.51% | Amazon.com Inc 4.41% |
| Alphabet Inc 3.62% | |
| Broadcom Inc 3.57% | |
| Meta Platforms Inc 3.12% |
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 Apr 30, 2026 and Sep 21, 2026.
Performance, window by window
| Window | Total return | Cash paid | Against the benchmark | |||
|---|---|---|---|---|---|---|
| OARK | SIOO | OARK | SIOO | OARK | SIOO | |
| 3 months | +3.9% | +4.0% | 9.0% | 3.7% | +6.4 pts | +0.7 pts |
| 6 months | +20.0% | +14.3% | 22.6% | 7.9% | −4.2 pts | −5.8 pts |
| 1 year | +6.6% | not published | 37.4% | not published | −15.2 pts | not published |
| 3 years | +61.9% | not published | 87.5% | not published | −36.3 pts | not published |
| Since launch | +58.8% | +10.8% | 89.4% | 11.1% | −96.7 pts | −0.2 pts |
| OARK YieldMax(R) Innovation Option Income Strategy ETF Synthetic covered call on QQQ, paying weekly | SIOO VistaShares Target 15 S&P 100 Distribution ETF Covered call on OEF, paying monthly | |
|---|---|---|
| Issuer | YieldMax | VistaShares |
| Strategy | synthetic covered call | covered call |
| Benchmark | Nasdaq-100 (QQQ), used as the innovation proxy | S&P 100 (OEF) |
| Pays | weekly | monthly |
| Payout rate, annualized | 27.9% | 15.1% |
| Expense ratio | 1.00% | not published |
| Cash paid, 1 year | 37.4% | 11.1% (since launch on Dec 11, 2025) |
| Price change, 1 year | −34.0% | −1.1% |
| Total return, 1 year | +6.6% | +10.8% (since launch on Dec 11, 2025) |
| Benchmark return, 1 year | +21.8% | +11.0% |
| Ahead or behind | −15.2 pts | −0.2 pts |
| Return of capital, latest estimate | 0% | not published |
| Age | 1395 days | 281 days |
| Net assets | $32m | $21m |
OARK in plain words
Over the year to Sep 18, 2026, OARK paid 37.4% of its starting value in cash distributions while its price fell 34.0%. With every distribution reinvested, the fund returned +6.6%. Nasdaq-100 (QQQ), used as the innovation proxy returned +21.8% over the same days, so a holder was behind by 15.2 pts. At its price on Sep 18, 2026 the latest distribution annualizes to 27.9%, paid weekly. YieldMax estimates that 0% of the distribution paid Sep 18, 2026 was a return of capital (19a-1 notice, estimated, a tax characterization rather than a measure of erosion).
SIOO in plain words
Over the period since launch on Dec 11, 2025 to Sep 18, 2026, SIOO paid 11.1% of its starting value in cash distributions while its price fell 1.1%. With every distribution reinvested, the fund returned +10.8%. S&P 100 (OEF) returned +11.0% over the same days, so a holder was about even. At its price on Sep 18, 2026 the latest distribution annualizes to 15.1%, paid monthly.
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, OARK against SIOO, data as of Sep 18, 2026. https://etfiq.com/compare/income/oark-vs-sioo Free to use with attribution; the underlying files are at Open data.