BlackRock MuniYield Quality Fund III (MYI) Stock Chart & Stock Price History $11.08 +0.03 (+0.27%) Closing price 10/8/2025 03:59 PM EasternExtended Trading$11.08 -0.01 (-0.05%) As of 10/8/2025 04:04 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 AnalysisChartCompetitorsDividendHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock BlackRock MuniYield Quality Fund III Stock Price Performance The BlackRock MuniYield Quality Fund III (MYI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 6.46%, with a year-to-date return of 0.36%. In the past month, the stock has increased 1.65%, reflecting recent market activity. As of the latest close, BlackRock MuniYield Quality Fund III traded at $11.08 with a market cap of $736.49 million and volume of 154,876 shares. Five years ago, the stock traded at $13.47, representing a 17.74% decrease over that period. At the time, it had a market cap of $917.98 million and a volume of 54,498 shares. Receive MYI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for BlackRock MuniYield Quality Fund III 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. 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Read our full terms of service and privacy policy. 5 Day Performance+1.00%1 Month Performance+1.65%3 Month Performance+4.92%Year-To-Date Performance+0.36%1 Year Performance-6.46%5 Year Performance-17.74% MYI Stock Chart for Thursday, October, 9, 2025 MYI Chart by TradingView BlackRock MuniYield Quality Fund III 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 Capitalization10/08/2025$11.04$11.08+0.41%$11.08$11.06154,876 shs$736.49 million10/07/2025$11.01$11.04+0.23%$11.07$11.01236,760 shs$733.50 million10/06/2025$10.97$11.01+0.36%$11.02$10.93265,452 shs$731.80 million10/03/2025$11.00$10.97-0.28%$10.98$10.94138,617 shs$729.14 million10/02/2025$11.06$11.00-0.49%$11.06$10.98164,362 shs$731.24 million10/01/2025$11.03$11.06+0.23%$11.10$11.03119,851 shs$734.83 million09/30/2025$10.94$11.03+0.82%$11.08$10.93155,434 shs$733.13 million09/29/2025$10.95$10.94-0.09%$11.00$10.91127,840 shs$727.18 million09/26/2025$10.97$10.95-0.14%$10.98$10.9497,661 shs$727.85 million09/25/2025$10.96$10.97+0.05%$10.99$10.94218,850 shs$728.84 million Get the Latest News and Ratings for MYI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for BlackRock MuniYield Quality Fund III and its competitors with MarketBeat's FREE daily newsletter. 09/24/2025$11.01$10.96-0.41%$11.01$10.95225,614 shs$728.48 million09/23/2025$10.98$11.01+0.23%$11.02$10.98138,117 shs$731.50 million09/22/2025$10.96$10.98+0.18%$11.00$10.94163,243 shs$729.84 million09/19/2025$10.94$10.96+0.18%$10.97$10.92110,795 shs$728.51 million09/18/2025$11.00$10.94-0.54%$11.04$10.92244,859 shs$727.15 million09/17/2025$11.01$11.00-0.10%$11.07$10.94234,871 shs$731.10 million09/16/2025$11.06$11.01-0.41%$11.11$10.97215,927 shs$731.84 million09/15/2025$11.03$11.06+0.23%$11.07$11.0296,151 shs$734.79 million09/12/2025$11.02$11.03+0.14%$11.04$10.98140,201 shs$733.13 million09/11/2025$10.97$11.02+0.46%$11.04$10.95214,472 shs$732.17 million09/10/2025$10.90$10.97+0.60%$10.98$10.90512,882 shs$0.0009/09/2025$10.86$10.90+0.33%$10.91$10.84176,987 shs$0.0009/08/2025$10.68$10.86+1.76%$10.90$10.73228,322 shs$0.00 Related Companies Tri Continental Stock Chart General American Investors Stock Chart INV VK MUN OPP Stock Chart Invvlu Mu Incm Stock Chart Western Asset Managed Municipals Fund Stock Chart Inv Vk Tr Inv Stock Chart Inv Vk Mun Tr Stock Chart Invesco Quality Municipal Income Trust Stock Chart Inv Vk Ca Valu Stock Chart PIMCO Strategic Income Fund Stock Chart Receive MYI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for BlackRock MuniYield Quality Fund III and its competitors with MarketBeat's FREE daily newsletter. 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