NASDAQ:KEYYU Keystone Acquisition (KEYYU) Stock Price, News & Analysis $10.15 +0.09 (+0.89%) Closing price 03:58 PM EasternExtended Trading$10.08 -0.07 (-0.67%) As of 05:50 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 Massive. Learn more. Add Share Share Stock Analysis Stock AnalysisChartSEC Filings About Keystone Acquisition Stock (NASDAQ:KEYYU) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get Keystone Acquisition alerts:Sign Up Key Stats Today's Range$10.07▼$10.0850-Day Range$10.05▼$10.2152-Week Range$10.00▼$10.47Volume272 shsAverage Volume32,140 shsMarket CapitalizationN/AP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview Keystone Acquisition Corp. is a special purpose acquisition company (SPAC) formed to identify and complete a business combination with one or more operating companies. Its potential transactions may include a merger, share exchange, asset acquisition, stock purchase, recapitalization or similar corporate combination. Unlike an operating company, Keystone Acquisition Corp. does not have an established portfolio of products or services. Its activities are primarily focused on raising capital through a public offering, evaluating potential target businesses and negotiating a transaction intended to create a publicly traded operating company. The company’s securities trade on the Nasdaq under separate symbols for its units, common stock and warrants, including KEYYU for its units. Publicly available information does not provide sufficient detail to identify a completed business combination, a specific industry focus or the company’s principal geographic markets.AI Generated. May Contain Errors. Read More Receive KEYYU Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Keystone Acquisition and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By 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. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. KEYYU Stock News HeadlinesKeystone Acquisition Corp. Announces the Separate Trading of its Class A Ordinary Shares and Warrants, Commencing on or about June 22, 2026.June 18, 2026 | globenewswire.comCorrection: Keystone Acquisition Corp. Announces Closing of $287.5 Million Initial Public Offering Including Exercise of Underwriters' Over-Allotment OptionJune 4, 2026 | globenewswire.comSpaceX minted 4400 millionaires in a single daySpaceX minted 4,400 millionaires in a single day, and Tesla has turned more than 5,000 employees into millionaires. One welder's $10,000 stock package made him a millionaire on IPO day. Former Wall Street CEO Dylan Jovine says Elon Musk's next venture could outsize everything he's built before. It runs on an obscure AI firm Musk has relied on since 2012, supplying crucial technology to Tesla, Starlink and SpaceX.October 16 at 1:00 AM | Behind the Markets (Ad)Keystone Acquisition Corp. Announces Closing of $28,750,000 Million Initial Public Offering Including Exercise of Underwriters' Over-Allotment OptionJune 4, 2026 | globenewswire.comSee More Headlines KEYYU Stock Analysis - Frequently Asked Questions How have KEYYU shares performed this year? Keystone Acquisition's stock was trading at $10.02 on June 5, 2026. Since then, KEYYU stock has increased by 1.3% and is now trading at $10.15. When did Keystone Acquisition IPO? Keystone Acquisition (KEYYU) raised $251 million in an IPO on Wednesday, June 3rd 2026. The company issued 25,000,000 shares at $10.03 per share. How do I buy shares of Keystone Acquisition? Shares of KEYYU stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorN/A Industry N/A Sub-IndustryN/A Current SymbolNASDAQ:KEYYU CIK2102771 WebN/A Phone(917) 573-0777FaxN/AEmployees3Year FoundedN/AProfitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current RatioN/A Quick RatioN/A Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding SharesN/AFree FloatN/AMarket CapN/A OptionableN/A BetaN/A 7 Best Space Stocks to Own in 2026The space race is growing fast, and you don’t have to have gotten in early on SpaceX to profit. This report shows seven space stocks you can buy today that may grow as rockets, satellites, defense, space internet, and new space technology become more important.Get This Free Report This page (NASDAQ:KEYYU) was last updated on 10/16/2026 by MarketBeat.com Staff. From Our PartnersElon Musk’s 4th Wealth Window Set to Open by October 30Jeff Brown, the analyst who flagged Bitcoin, Tesla, and Nvidia early, is tracking Elon Musk's next move. He po...Brownstone Research | SponsoredFinancial legend: “This is bad, really bad...”Dr. Martin D. Weiss has publicly predicted six major American financial crashes over his 55-year career leadin...Weiss Ratings | SponsoredTrump goes "all-in" on Grand Canyon energy breakthroughA drilling crew near the Grand Canyon uncovered a clean energy well producing nearly eight times the output of...Behind the Markets | SponsoredDid you grab your copy yet?Bill Poulos's Top 10 Stocks to Buy This Quarter report is still available free, but not for long. 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