- ISIN
- US4642871010
- CUSIP
- 464287101
- Issuer
- iShares
- Inception Date
- Oct 23, 2000
- Region
- North America (U.S.)
- Category
- Large Cap Blend Equities
- Leveraged
- 1x (No leverage)
- Index Tracked
- S&P 100 Index
- Domicile
- United States
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Mega-Cap
- Asset Class Style
- Blend
- Assets Under Management
- $20B
Share Price Chart
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Performance
OEF Performance Chart
iShares S&P 100 ETF (OEF) is up 5.6% since the beginning of the year. OEF is currently trading at $360 per share. Investors who bought $1,000 worth of OEF shares 5 years ago would now be looking at an investment worth $1,964.
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Returns By Period
iShares S&P 100 ETF (OEF) has returned 5.60% so far this year and 23.70% over the past 12 months. Looking at the last ten years, OEF has achieved an annualized return of 16.63%, outperforming the S&P 500 Index benchmark, which averaged 13.71% per year.
iShares S&P 100 ETF
- 1D
- -1.41%
- 1M
- -2.70%
- YTD
- 5.60%
- 6M
- 4.83%
- 1Y
- 23.70%
- 3Y*
- 22.31%
- 5Y*
- 14.45%
- 10Y*
- 16.63%
Benchmark (S&P 500 Index)
- 1D
- -1.44%
- 1M
- -1.45%
- YTD
- 7.60%
- 6M
- 6.59%
- 1Y
- 22.24%
- 3Y*
- 19.20%
- 5Y*
- 11.54%
- 10Y*
- 13.71%
OEF Monthly Returns History
Based on dividend-adjusted daily data since Oct 27, 2000, OEF's average daily return is +0.04%, while the average monthly return is +0.77%. At this rate, an investment would double in approximately 7.5 years.
Historically, 63% of months were positive and 37% were negative. The best month was Apr 2020 with a return of +12.6%, while the worst month was Oct 2008 at -12.1%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 5 months.
On a daily basis, OEF closed higher 54% of trading days. The best single day was Oct 13, 2008 with a return of +11.6%, while the worst single day was Mar 16, 2020 at -11.6%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.17% | -2.53% | -4.75% | 11.55% | 6.35% | -4.28% | 5.60% | ||||||
| 2025 | 1.98% | -1.45% | -6.50% | -0.75% | 7.28% | 5.77% | 3.02% | 1.96% | 4.34% | 3.75% | -0.34% | -0.09% | 19.80% |
| 2024 | 2.35% | 5.48% | 2.90% | -3.63% | 5.79% | 5.03% | 0.34% | 2.27% | 2.35% | -0.64% | 5.51% | -0.19% | 30.74% |
| 2023 | 6.40% | -2.12% | 5.68% | 2.17% | 2.53% | 6.00% | 3.45% | -1.19% | -4.86% | -1.56% | 9.16% | 3.91% | 32.71% |
| 2022 | -4.64% | -3.84% | 4.09% | -9.96% | -0.18% | -7.70% | 9.34% | -4.49% | -9.39% | 6.90% | 5.12% | -6.21% | -21.03% |
| 2021 | -0.50% | 1.33% | 4.25% | 5.59% | 0.39% | 3.18% | 2.51% | 3.47% | -4.82% | 7.47% | -0.18% | 3.75% | 29.18% |
Benchmark Metrics
iShares S&P 100 ETF has an annualized alpha of 1.66%, beta of 0.98, and R2 of 0.96 versus S&P 500 Index. Calculated based on daily prices since October 27, 2000.
- This ETF captured 104.78% of S&P 500 Index gains but only 97.65% of its losses - a favorable profile for investors.
- With beta of 0.98 and R2 of 0.96, this ETF moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- 1.66%
- Beta
- 0.98
- R²
- 0.96
- Upside Capture
- 104.78%
- Downside Capture
- 97.65%
Expense Ratio
OEF has an expense ratio of 0.20%, which is considered low.
Return for Risk
Risk / Return Rank
OEF ranks 51 for risk / return — on par with similar ETFs. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for iShares S&P 100 ETF (OEF) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| OEF | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | 0.00 | ||
| Sortino ratioReturn per unit of downside risk | -0.02 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.32 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 2.15 | 2.46 | -0.30 |
| Martin ratioReturn relative to average drawdown | 8.71 | 10.92 | -2.21 |
Dividends
Dividend History
iShares S&P 100 ETF provided a 0.89% dividend yield over the last twelve months, with an annual payout of $3.22 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $3.22 | $2.78 | $2.97 | $2.65 | $2.64 | $2.31 | $2.45 | $2.69 | $2.33 | $2.15 | $2.05 | $1.92 |
Dividend yield | 0.89% | 0.81% | 1.03% | 1.19% | 1.55% | 1.06% | 1.43% | 1.87% | 2.09% | 1.81% | 2.07% | 2.11% |
Monthly Dividends
The table displays the monthly dividend distributions for iShares S&P 100 ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.92 | $0.00 | $0.00 | $0.73 | $1.66 | ||||||
| 2025 | $0.00 | $0.00 | $0.58 | $0.00 | $0.00 | $0.64 | $0.00 | $0.00 | $0.72 | $0.00 | $0.00 | $0.84 | $2.78 |
| 2024 | $0.00 | $0.00 | $0.74 | $0.00 | $0.00 | $0.63 | $0.00 | $0.00 | $0.83 | $0.00 | $0.00 | $0.76 | $2.97 |
| 2023 | $0.00 | $0.00 | $0.66 | $0.00 | $0.00 | $0.60 | $0.00 | $0.00 | $0.74 | $0.00 | $0.00 | $0.67 | $2.65 |
| 2022 | $0.00 | $0.00 | $0.61 | $0.00 | $0.00 | $0.57 | $0.00 | $0.00 | $0.73 | $0.00 | $0.00 | $0.73 | $2.64 |
| 2021 | $0.00 | $0.00 | $0.57 | $0.00 | $0.00 | $0.50 | $0.00 | $0.00 | $0.63 | $0.00 | $0.00 | $0.61 | $2.31 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the iShares S&P 100 ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the iShares S&P 100 ETF was 54.11%, occurring on Mar 9, 2009. Recovery took 883 trading sessions.
The current iShares S&P 100 ETF drawdown is 4.48%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -54.11%Mar 2009 | 1y 5mo | 3y 6mo | 4y 11moOct 2007 - Sep 2012 |
Dot-com crash2000–2002 | -47.06%Oct 2002 | 1y 11mo | 4y 6mo | 6y 5moNov 2000 - Apr 2007 |
COVID crash2020 | -31.44%Mar 2020 | 1mo 2d | 4mo 13d | 5mo 15dFeb 2020 - Aug 2020 |
Bear market2022 | -26.47%Oct 2022 | 9mo 11d | 1y 1mo | 1y 11moJan 2022 - Dec 2023 |
2025 selloff2025 | -19.80%Apr 2025 | 1mo 17d | 2mo 19d | 4mo 6dFeb 2025 - Jun 2025 |
Drawdown Indicators
| OEF | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.11% | -56.78% | +2.67% |
Max Drawdown (1Y)Largest decline over 1 year | -11.06% | -9.10% | -1.96% |
Max Drawdown (3Y)Largest decline over 3 years | -19.80% | -18.90% | -0.90% |
Max Drawdown (5Y)Largest decline over 5 years | -26.47% | -25.43% | -1.04% |
Max Drawdown (10Y)Largest decline over 10 years | -31.44% | -33.92% | +2.48% |
Current DrawdownCurrent decline from peak | -4.48% | -3.21% | -1.27% |
Average DrawdownAverage peak-to-trough decline | -11.74% | -10.71% | -1.03% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.73% | 2.04% | +0.69% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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