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OEFvsSIOOETF Comparison
iShares S&P 100 ETF (OEF) belongs to the US Large Cap segment. VistaShares Target 15 S&P 100 Distribution ETF (SIOO) is part of the Options Strategies segment. Both ETFs have the same top 3 sector exposures: Information Technology, Communication Services and Consumer Discretionary. OEF is less expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.59% for SIOO. OEF is down -2.73% year-to-date (YTD) with +$200M in YTD flows. SIOO performs better with -0.02% YTD performance, and +$3M in YTD flows. Run a side-by-side ETF comparison of OEF and SIOO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
OEF vs SIOO performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | OEF SIOO | -2.44%-0.77% | -3.22%+0.59% | -2.73%-0.02% | +23.63%n/a | +98.02%n/a | +99.83%n/a |
| Flows | OEF SIOO | +$301M+$2M | +$407M+$6M | +$200M+$3M | +$8.02B- | +$12.81B- | +$13.13B- |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | OEF SIOO | +12.07%+9.41% | +19.24%n/a | +15.80%n/a | +17.65%n/a |
| Max drawdown | OEF SIOO | -4.55%-2.15% | -14.24%n/a | -19.77%n/a | -26.44%n/a |
| Max drawdown duration | OEF SIOO | 75d29d | 45dn/a | 126dn/a | 696dn/a |
OEF | SIOO | |
Last sale 3/11/2026 at 1:30 PM | $333.38 | $19.24 |
| Previous close 03/10/2026 | $333.60 | $19.27 |
| Consolidated volume 03/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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OEF | SIOO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
OEF | SIOO | |
|---|---|---|
| Last price | $333.38 | $19.24 |
| 1D performance | -0.07% | -0.16% |
| AuM | $28.58 B | $5.82 M |
| E/R | 0.2% | 0.59% |
OEF | SIOO | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | VistaShares |
| Benchmark | S&P 100 Index | - |
| N° of holdings | 99 | 99 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 23, 2000 | December 11, 2025 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the OEF and SIOO ETFs performed in 2026?
As of March 10, 2026, OEF is down -2.73% year-to-date (YTD), while SIOO has lost -0.02%. That puts SIOO better performer ahead so far this year.
Which ETF is attracting more investor money: OEF or SIOO?
Year-to-date, the OEF ETF saw +$200M in flows, compared to +$3M for SIOO.
Which ETF is bigger: OEF or SIOO?
As of March 10, 2026, OEF holds $28.58 B in assets under management (AUM), while SIOO manages $5.82 M.
What sectors do the OEF and SIOO ETFs invest in?
OEF leans toward sectors like Information Technology, Communication Services and Consumer Discretionary. Meanwhile, SIOO focuses on Information Technology, Communication Services and Consumer Discretionary.
What are the top holdings of the OEF ETF and SIOO ETF?
OEF top holdings include NVIDIA, APPLE and MICROSOFT-T. SIOO holds in its top three: NVIDIA, APPLE and MICROSOFT-T.
Which ETF is more diversified: OEF or SIOO?
OEF holds 102 securities with 61.62% of its assets in the top 15. SIOO has 101 securities and a top 15 weight of 62.62%.
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