iShares S&P 100 ETF (OEF) Chart & Stock Price History $319.35 +4.58 (+1.46%) Closing price 04:10 PM EasternExtended Trading$319.78 +0.43 (+0.13%) As of 07:51 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 AnalysisChartHeadlinesHoldingsOwnershipRatingsShort 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 18.81%, with a year-to-date return of 10.56%. In the past month, the fund has increased 3.04%, reflecting recent market activity. As of the latest close, iShares S&P 100 ETF traded at $314.77 with a market cap of $21.47 billion and volume of 161,647 shares. Five years ago, the fund traded at $158.49, representing a 101.50% increase over that period. At the time, it had a market cap of $7.00 billion and a volume of 183,285 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. Email Address 5 Day Performance-0.42%1 Month Performance+3.04%3 Month Performance+12.17%Year-To-Date Performance+10.56%1 Year Performance+18.81%5 Year Performance+101.50% OEF Stock Chart for Friday, August, 22, 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 Capitalization08/22/2025$314.77$319.35+1.46%$320.12$315.53281,324 shs$21.78 billion08/21/2025$316.03$314.77-0.40%$316.15$314.02161,647 shs$21.47 billion08/20/2025$317.53$316.03-0.47%$317.14$313.20240,084 shs$21.55 billion08/19/2025$320.27$317.53-0.86%$320.24$316.75155,975 shs$21.66 billion08/18/2025$320.69$320.27-0.13%$320.66$319.68181,109 shs$21.84 billion08/15/2025$320.74$320.69-0.02%$321.89$319.98235,803 shs$21.87 billion08/14/2025$320.52$320.74+0.07%$321.17$319.31344,133 shs$21.87 billion08/13/2025$319.57$320.52+0.30%$321.46$319.34200,997 shs$21.86 billion08/12/2025$316.54$319.57+0.96%$319.77$316.63198,307 shs$21.79 billion08/11/2025$317.37$316.54-0.26%$318.02$315.77183,289 shs$21.54 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. 08/08/2025$314.00$317.37+1.07%$317.37$314.53181,948 shs$21.60 billion08/07/2025$314.19$314.00-0.06%$316.12$312.03298,054 shs$21.37 billion08/06/2025$311.12$314.19+0.99%$314.26$311.00200,975 shs$21.38 billion08/05/2025$311.57$311.12-0.14%$313.04$310.42352,112 shs$21.17 billion08/04/2025$307.18$311.57+1.43%$311.98$309.16310,481 shs$21.20 billion08/01/2025$313.55$307.18-2.03%$310.20$306.18361,467 shs$20.90 billion07/31/2025$313.32$313.55+0.07%$318.01$312.54257,057 shs$21.34 billion07/30/2025$313.83$313.32-0.16%$314.80$312.00220,564 shs$21.32 billion07/29/2025$315.00$313.83-0.37%$315.64$313.29148,698 shs$21.36 billion07/28/2025$314.01$315.00+0.32%$315.00$313.89143,356 shs$21.44 billion07/25/2025$313.02$314.01+0.32%$314.54$313.13138,150 shs$21.35 billion07/24/2025$312.71$313.02+0.10%$313.91$312.58153,920 shs$21.29 billion07/23/2025$309.94$312.71+0.89%$312.71$310.17341,780 shs$21.23 billion07/22/2025$310.75$309.94-0.26%$310.95$308.72168,767 shs$21.04 billion07/21/2025$309.56$310.75+0.38%$311.99$310.21171,001 shs$21.10 billion Related Companies 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 ProShares UltraPro QQQ Stock Price Chart SPDR Portfolio S&P 500 Value ETF Stock Price Chart iShares Russell Top 200 Growth ETF Stock Price Chart Invesco S&P 500 Quality ETF Stock Price Chart Vanguard Mega Cap Growth ETF Stock Price Chart Goldman Sachs ActiveBeta U.S. Large Cap Equity ETF Stock Price Chart Vanguard Russell 1000 Value ETF 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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