OEFvsSIOOETF Comparison
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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: Technology, Finance and Consumer Non-Cyclicals. OEF is less expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.59% for SIOO. OEF is up 6.46% year-to-date (YTD) with -$10.05B in YTD flows. SIOO performs worse with 6.39% YTD performance, and +$15M 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.
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OEF vs SIOO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/24/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | OEF SIOO | +1.07%+1.90% | +3.30%+3.19% | +6.46%+6.39% | +17.14%n/a | +76.96%n/a | +89.06%n/a |
| Flows | OEF SIOO | -$58M+$1M | -$383M+$8M | -$10.05B+$15M | -$4.41B- | +$2.61B- | +$2.81B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | OEF SIOO | +14.24%+8.89% | +13.73%n/a | +16.13%n/a | +17.90%n/a |
| Max drawdown | OEF SIOO | -5.41%-3.13% | -10.96%n/a | -19.77%n/a | -26.44%n/a |
| Max drawdown duration | OEF SIOO | 53d29d | 169dn/a | 126dn/a | 696dn/a |
Trading data
OEF | SIOO | |
Last sale 7/27/2026 at 1:30 PM | $363.22 | $19.40 |
| Previous close 07/24/2026 | $363.23 | $19.64 |
| Consolidated volume 07/24/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
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SIOO
is actively managed and doesn’t replicate an indexOEF | SIOO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/27/2026 at 1:30 PM
Live
Closed
OEF | SIOO | |
|---|---|---|
| Last price | $363.22 | $19.40 |
| 1D performance | -0.00% | -1.21% |
| AuM | $19.74 B | $17.66 M |
| E/R | 0.2% | 0.59% |
Characteristics
OEF | SIOO | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | VistaShares |
| Benchmark | S&P 100 Index | - |
| N° of holdings | 101 | 100 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 23, 2000 | December 11, 2025 |
| ESG | No | No |
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Exposure
Countries
OEF
USA
98.96%
Other
1.04%
SIOO
USA
89.42%
Other
10.58%
Sectors
OEF
Technology
53.77%
Finance
11.08%
Consumer Non-Cycl.
10.3%
Healthcare
8.67%
Other
16.18%
SIOO
Technology
44.73%
Finance
11.28%
Consumer Non-Cycl.
9.54%
Healthcare
8.91%
Other
25.54%
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Diversification
OEF
Total weight of top 15 holdings out of 15
60.12%
SIOO
Total weight of top 15 holdings out of 15
51.49%
Top 15 holdings
Data as of June 30, 2026
OEF
NVIDIA Corp.
10.47%
Apple, Inc.
9.18%
Microsoft Corp.
5.99%
Amazon.com, Inc.
5.04%
Alphabet, Inc.
4.53%
Broadcom Inc.
3.86%
Alphabet, Inc.
3.61%
Micron Technology, Inc.
2.81%
Meta Platforms, Inc.
2.67%
Tesla, Inc.
2.56%
Eli Lilly & Co.
2.05%
Advanced Micro Devices, Inc.
2.05%
Berkshire Hathaway, Inc.
1.98%
JPMorgan Chase & Co.
1.90%
Intel Corp.
1.43%
SIOO
NVIDIA Corp.
8.78%
Apple, Inc.
7.73%
Microsoft Corp.
4.46%
Amazon.com, Inc.
4.08%
Broadcom Inc.
4.01%
Alphabet, Inc.
3.54%
Micron Technology, Inc.
3.05%
Meta Platforms, Inc.
2.72%
Tesla, Inc.
2.47%
Eli Lilly & Co.
2.09%
Berkshire Hathaway, Inc.
2.00%
JPMorgan Chase & Co.
1.98%
Advanced Micro Devices, Inc.
1.88%
Johnson & Johnson
1.37%
Intel Corp.
1.33%
Frequently asked questions about OEF and SIOO
How have the OEF and SIOO ETFs performed in 2026?
As of July 24, 2026, OEF is up 6.46% year-to-date (YTD), while SIOO has returned 6.39%. That puts OEF better performer ahead so far this year.
Which ETF is attracting more investor money: OEF or SIOO?
Year-to-date, the OEF ETF saw -$10.05B in flows, compared to +$15M for SIOO.
Which ETF is bigger: OEF or SIOO?
As of July 24, 2026, OEF holds $19.74 B in assets under management (AUM), while SIOO manages $17.66 M.
What sectors do the OEF and SIOO ETFs invest in?
OEF leans toward sectors like Technology, Finance and Consumer Non-Cyclicals. Meanwhile, SIOO focuses on Technology, Finance and Consumer Non-Cyclicals.
What are the top holdings of the OEF ETF and SIOO ETF?
OEF top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. SIOO holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: OEF or SIOO?
OEF holds 103 securities with 60.12% of its assets in the top 15. SIOO has 101 securities and a top 15 weight of 51.49%.
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