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: 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 up 3.32% year-to-date (YTD) with -$9.66B in YTD flows. SIOO performs worse with 3.19% YTD performance, and +$8M 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 04/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | OEF SIOO | +14.23%+10.16% | +2.67%+2.52% | +3.32%+3.19% | +33.24%n/a | +92.30%n/a | +97.43%n/a |
| Flows | OEF SIOO | -$288M+$2M | -$9.82B+$7M | -$9.66B+$8M | -$2.25B- | +$2.96B- | +$3.37B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | OEF SIOO | +16.42%+13.80% | +13.35%n/a | +15.97%n/a | +17.79%n/a |
| Max drawdown | OEF SIOO | -10.49%-7.35% | -10.96%n/a | -19.77%n/a | -26.44%n/a |
| Max drawdown duration | OEF SIOO | 71d63d | 169dn/a | 126dn/a | 696dn/a |
Trading data
OEF | SIOO | |
Last sale 4/29/2026 at 1:30 PM | $352.08 | $19.55 |
| Previous close 04/28/2026 | $351.98 | $19.53 |
| Consolidated volume 04/28/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 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 4/29/2026 at 1:30 PM
Live
Closed
OEF | SIOO | |
|---|---|---|
| Last price | $352.08 | $19.55 |
| 1D performance | +0.03% | +0.10% |
| AuM | $19.57 B | $10.24 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 | 97 | 97 |
| 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
98.8%
Other
1.2%
SIOO
USA
93.74%
Other
6.26%
Sectors
OEF
Information Techn.
40.48%
Communication Ser.
13.53%
Consumer Discreti.
10.23%
Health Care
9.26%
Financials
8.64%
Other
17.86%
SIOO
Information Techn.
35.65%
Communication Ser.
13.33%
Consumer Discreti.
10.29%
Health Care
9.29%
Financials
8.57%
Other
22.87%
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Diversification
OEF
Total weight of top 15 holdings out of 15
58.88%
SIOO
Total weight of top 15 holdings out of 15
53.95%
Top 15 holdings
Data as of March 31, 2026
OEF
NVIDIA
10.50%
APPLE
9.23%
MICROSOFT-T
6.81%
AMAZON.COM INC
5.04%
ALPHABET INC-CL
4.15%
BROADCOM LIMITED
3.64%
ALPHABET INC-CL
3.32%
META PLATFORMS
3.10%
TESLA
2.59%
BERKSHIRE HATHWAY
2.18%
JPMORGAN CHASE
1.96%
LILLY
1.81%
EXXON
1.76%
JOHNSON&JOHNSON
1.46%
WALMART INC
1.35%
SIOO
NVIDIA
8.64%
APPLE
7.69%
MICROSOFT-T
5.33%
AMAZON.COM INC
5.09%
ALPHABET INC-CL
4.09%
BROADCOM LIMITED
3.65%
ALPHABET INC-CL
3.27%
META PLATFORMS
3.01%
TESLA
2.63%
BERKSHIRE HATHWAY
2.19%
JPMORGAN CHASE
1.94%
EXXON
1.78%
LILLY
1.78%
JOHNSON&JOHNSON
1.48%
WALMART INC
1.38%
Frequently asked questions about OEF and SIOO
How have the OEF and SIOO ETFs performed in 2026?
As of April 27, 2026, OEF is up 3.32% year-to-date (YTD), while SIOO has returned 3.19%. 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 -$9.66B in flows, compared to +$8M for SIOO.
Which ETF is bigger: OEF or SIOO?
As of April 27, 2026, OEF holds $19.57 B in assets under management (AUM), while SIOO manages $10.24 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 58.88% of its assets in the top 15. SIOO has 101 securities and a top 15 weight of 53.95%.
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