iShares S&P 100 ETF (OEF) Chart & Stock Price History $326.65 -9.58 (-2.85%) Closing price 10/10/2025 04:10 PM EasternExtended Trading$326.75 +0.10 (+0.03%) As of 10/10/2025 08:00 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartDividendHeadlinesHoldingsOwnershipRatingsShort InterestBuy This Stock iShares S&P 100 ETF Stock Price Performance The iShares S&P 100 ETF (OEF) fund chart highlights key performance trends across multiple timeframes. Over the last 12 months, the fund's price has increased 16.92%, with a year-to-date return of 13.09%. In the past month, the fund has decreased 0.39%, reflecting recent market activity. As of the latest close, iShares S&P 100 ETF traded at $326.65 with a market cap of $27.18 billion and volume of 867,311 shares. Five years ago, the fund traded at $163.62, representing a 99.64% increase over that period. At the time, it had a market cap of $7.30 billion and a volume of 137,945 shares. Receive OEF Stock News and Ratings via EmailSign-up to receive the latest news and ratings for iShares S&P 100 ETF and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance-2.36%1 Month Performance-0.39%3 Month Performance+6.36%Year-To-Date Performance+13.09%1 Year Performance+16.92%5 Year Performance+99.64% OEF Stock Chart for Sunday, October, 12, 2025 OEF Chart by TradingView iShares S&P 100 ETF Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/10/2025$336.23$326.65-2.85%$337.67$326.63867,311 shs$27.18 billion10/09/2025$336.63$336.23-0.12%$337.02$334.96593,988 shs$27.97 billion10/08/2025$334.53$336.63+0.63%$336.70$334.91634,499 shs$27.86 billion10/07/2025$335.50$334.53-0.29%$336.32$333.81316,473 shs$27.68 billion10/06/2025$333.98$335.50+0.46%$335.87$334.04462,784 shs$27.76 billion10/03/2025$334.28$333.98-0.09%$335.67$333.17535,760 shs$27.37 billion10/02/2025$334.26$334.28+0.01%$335.40$333.32552,373 shs$22.80 billion10/01/2025$332.84$334.26+0.43%$334.75$331.18518,598 shs$22.80 billion09/30/2025$331.44$332.84+0.42%$333.04$330.351.22 million shs$22.70 billion09/29/2025$330.97$331.44+0.14%$332.78$330.57586,819 shs$22.60 billion Get the Latest News and Ratings for OEF and Related StocksEnter your email address below to receive the latest news and analysts' ratings for iShares S&P 100 ETF and its competitors with MarketBeat's FREE daily newsletter. 09/26/2025$329.53$330.97+0.44%$331.39$328.82392,996 shs$22.57 billion09/25/2025$330.79$329.53-0.38%$330.38$327.70391,386 shs$22.47 billion09/24/2025$331.63$330.79-0.25%$332.70$329.65529,912 shs$22.56 billion09/23/2025$334.18$331.63-0.76%$334.20$330.97419,843 shs$22.62 billion09/22/2025$332.28$334.18+0.57%$334.44$331.75552,382 shs$22.79 billion09/19/2025$330.16$332.28+0.64%$332.72$330.58396,149 shs$22.66 billion09/18/2025$328.88$330.16+0.39%$331.38$329.15925,782 shs$22.52 billion09/17/2025$329.58$328.88-0.21%$329.74$326.311.83 million shs$22.43 billion09/16/2025$330.47$329.58-0.27%$330.26$329.2910.73 million shs$22.48 billion09/15/2025$327.92$330.47+0.78%$330.47$329.17260,646 shs$22.54 billion09/12/2025$327.13$327.92+0.24%$328.56$326.92162,364 shs$22.36 billion09/11/2025$325.50$327.13+0.50%$327.44$325.50336,409 shs$22.31 billion Related Companies ProShares UltraPro QQQ Stock Price Chart SPDR Portfolio S&P 500 Value ETF Stock Price Chart Vanguard Mega Cap Growth ETF Stock Price Chart Vanguard Russell 1000 Growth ETF Stock Price Chart Vanguard S&P 500 Growth ETF Stock Price Chart Schwab Fundamental U.S. Large Company ETF Stock Price Chart Schwab Fundamental International Equity ETF Stock Price Chart iShares Russell Top 200 Growth ETF Stock Price Chart Invesco S&P 500 Quality ETF Stock Price Chart SPDR Dow Jones Industrial Average ETF Trust Stock Price Chart Receive OEF Stock News and Ratings via EmailSign-up to receive the latest news and ratings for iShares S&P 100 ETF and its competitors with MarketBeat's FREE daily newsletter. 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