Quantumsphere Acquisition (QUMSU) Stock Chart & Stock Price History $10.02 0.00 (0.00%) As of 01:15 PM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsSEC FilingsTrendsBuy This Stock Quantumsphere Acquisition Stock Price Performance The Quantumsphere Acquisition (QUMSU) stock chart highlights key performance trends across multiple timeframes. As of the latest close, Quantumsphere Acquisition traded at $10.04 with a market cap of and volume of 15 shares. Receive QUMSU Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Quantumsphere Acquisition 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. 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Read our full terms of service and privacy policy. 5 Day Performance-0.30% QUMSU Stock Chart for Thursday, August, 28, 2025 QUMSU Chart by TradingView Quantumsphere Acquisition 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 Capitalization08/27/2025$10.02$10.04+0.20%$10.04$10.0415 shs$0.0008/26/2025$10.05$10.02-0.30%$10.05$10.02576 shs$0.0008/25/2025$10.05$10.05$10.05$10.05204 shs$0.0008/22/2025$10.05$10.05$10.05$10.053,865 shs$0.0008/21/2025$10.03$10.05+0.20%$10.05$10.045,514 shs$0.0008/20/2025$10.02$10.03+0.10%$10.04$10.031,614 shs$0.0008/19/2025$10.04$10.02-0.20%$10.05$10.02246,797 shs$0.0008/18/2025$10.04$10.04$10.05$10.0411,171 shs$0.0008/15/2025$10.05$10.04-0.10%$10.07$10.043,782 shs$0.0008/14/2025$10.04$10.05+0.10%$10.07$10.04105,809 shs$0.0008/13/2025$10.05$10.04-0.10%$10.07$10.0422,312 shs$0.0008/12/2025$10.04$10.05+0.10%$10.08$10.0592,793 shs$0.0008/11/2025N/A$10.04$10.07$10.0486,899 shs$0.00 Related Companies 1RT Acquisition Stock Chart A SPAC III Acquisition Stock Chart AGBA Group Stock Chart AGNC Investment Stock Chart AGNC Investment Stock Chart AGNC Investment Stock Chart AGNC Investment Stock Chart AGNC Investment Stock Chart Agriculture & Natural Solutions Acquisition Stock Chart Agriculture & Natural Solutions Acquisition Stock Chart Receive QUMSU Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Quantumsphere Acquisition and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:QUMSU) was last updated on 8/28/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Crypto 101 Media | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... 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