Data as of Nov 4, 2026.
OEF vs SIOO: Differences, Returns & Fees
OEF and SIOO are measured over different days, and OEF charges 0.20% to SIOO's 0.59%.
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Net assets on Nov 3, 2026: $19.9bn for iShares S&P 100 ETF and $25m for VistaShares Target 15 S&P 100 Distribution ETF.
Pair scorecard
OEF costs 0.39 points a year less; OEF is far larger, $19.9bn against $25m.
| Measure | OEF | SIOO |
|---|---|---|
| Return | ||
| Total return, 1 year | +12.1% | not published |
| Cash paid, share of starting value, since Dec 11, 2025 | 13.6% | |
| Price change, since Dec 11, 2025 | fell 3.6% | |
| Latest payout, annualized | 15.4% | |
| Return of capital, issuer estimate | 97% of the Oct 27, 2026 payment | |
| Benchmark | ||
| What it tracks | S&P 100 | Benchmark: S&P 100, measured through OEF |
| Cost and size | ||
| Expense ratio | 0.20% | 0.59% |
| Net assets, as of Nov 3, 2026 | $19.9bn | $25m |
| Holdings | ||
| Holdings in common | 90% | |
| In the S&P 500, by weight | 100% | |
| Top ten holdings, share of the fund | 50.9% | |
Risk and return
Dec 19, 2025 to Oct 30, 2026 · 45 weekly returnsFrom Dec 2025 to Oct 2026, OEF returned slightly more: +10.1% to +9.9%. SIOO fell less at its worst: −6.3% to −10.6%.
Full scorecard
3 measures, with how each is measured Open ↓
| Measure | OEF | SIOO | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +10.1% | +9.9% | OEF (slight) | Price change plus distributions, reinvested. |
| Price return | +9.3% | −4.4% | OEF | Price change alone, distributions left out. |
| Risk | ||||
| Max drawdown | −10.6% | −6.3% | SIOO | Deepest fall from a high to the low after it. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 45 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, OEF and SIOO hold 90% of their money in the same securities at the same weight. Holdings dated Nov 3, 2026 and Nov 4, 2026.
half
90% in common
Only in one fund ↓
Side by side
OEF and SIOO on the fields both publish, as of Nov 4, 2026. Source: ETFIQ.
No client brief for this pair: ETFIQ prints no one-year total return for SIOO.
OEF
OEF tracks an index. Over the year to Nov 4, 2026 it returned +12.1% with distributions reinvested. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Nov 3, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 102 positions, with the top ten at 50.9%.
SIOO
Over the period from its first trade on Dec 11, 2025 to Nov 4, 2026, SIOO paid 13.6% of its starting value in cash distributions while its price fell 3.6%. With every distribution reinvested, the fund returned +10.8%. S&P 100 (OEF) returned +10.9% over the same days, so a holder was about even. At its price on Nov 4, 2026 the latest distribution annualizes to 15.4%, paid monthly. VistaShares estimates that 97% of the distribution paid Oct 27, 2026 was a return of capital (its 19a-1 notice). That is a tax label, not a measure of erosion.
Questions people ask
- Are OEF and SIOO in the same category?
- OEF is a stock ETF and SIOO is an option-income ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
- Which is cheaper, OEF or SIOO?
- OEF is cheaper, by 0.39 percentage points a year. That is about $39 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, OEF against SIOO, data as of Nov 4, 2026. https://etfiq.com/compare/any/oef-vs-sioo
ETFIQ. (Nov 4, 2026). OEF against SIOO. Retrieved from https://etfiq.com/compare/any/oef-vs-sioo
[OEF against SIOO (ETFIQ, Nov 4, 2026)](https://etfiq.com/compare/any/oef-vs-sioo)
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