Save The World Air (QSEP) Stock Chart & Stock Price History $0.25 -0.01 (-4.65%) As of 10/13/2025 03:58 PM Eastern Add Compare Share Share Chart Stock AnalysisChartEarningsHeadlinesSEC FilingsShort InterestBuy This Stock Save The World Air Stock Price Performance The Save The World Air (QSEP) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 108.33%, with a year-to-date return of 66.67%. In the past month, the stock has decreased 6.33%, reflecting recent market activity. As of the latest close, Save The World Air traded at $0.25 with a market cap of $132.30 million and volume of 309,354 shares. Five years ago, the stock traded at $0.03, representing a 706.45% increase over that period. At the time, it had a market cap of $9.89 million and a volume of 142,987 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-5.77%1 Month Performance-6.33%3 Month Performance-3.81%Year-To-Date Performance+66.67%1 Year Performance+108.33%5 Year Performance+706.45% QSEP Stock Chart for Tuesday, October, 14, 2025 QSEP Chart by TradingView Save The World Air 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 Capitalization10/13/2025$0.25$0.25$0.27$0.23309,354 shs$132.30 million10/10/2025$0.27$0.25-5.77%$0.27$0.2476,647 shs$132.30 million10/09/2025$0.25$0.27+6.76%$0.27$0.2466,402 shs$140.39 million10/08/2025$0.23$0.25+5.83%$0.25$0.23165,185 shs$130.94 million10/07/2025$0.25$0.23-7.81%$0.25$0.23173,912 shs$123.72 million10/06/2025$0.26$0.25-2.00%$0.26$0.2550,840 shs$134.20 million10/03/2025$0.27$0.26-1.92%$0.26$0.2569,850 shs$136.94 million10/02/2025$0.26$0.27+3.92%$0.27$0.2469,638 shs$139.63 million10/01/2025$0.26$0.26-0.70%$0.26$0.2323,371 shs$134.31 million09/30/2025$0.25$0.26+1.30%$0.26$0.23173,077 shs$135.26 million Get the Latest News and Ratings for QSEP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Save The World Air and its competitors with MarketBeat's FREE daily newsletter. 09/29/2025$0.24$0.25+3.51%$0.26$0.25197,784 shs$133.52 million09/26/2025$0.27$0.24-8.21%$0.27$0.23328,710 shs$128.99 million09/25/2025$0.26$0.27+3.85%$0.27$0.25124,311 shs$140.52 million09/24/2025$0.25$0.26+2.72%$0.26$0.2515,604 shs$135.31 million09/23/2025$0.26$0.25-5.59%$0.27$0.2599,486 shs$131.73 million09/22/2025$0.27$0.26-0.97%$0.27$0.25138,101 shs$139.52 million09/19/2025$0.27$0.27-0.85%$0.27$0.25109,237 shs$140.89 million09/18/2025$0.26$0.27+2.78%$0.27$0.25147,362 shs$142.10 million09/17/2025$0.27$0.26-2.63%$0.27$0.25106,265 shs$138.26 million09/16/2025$0.28$0.27-3.30%$0.27$0.25168,327 shs$142.00 million09/15/2025$0.27$0.28+4.46%$0.28$0.2741,225 shs$146.84 million Related Companies Palladyne AI Stock Chart Mestek Stock Chart AirJoule Technologies Stock Chart A2Z Cust2Mate Solutions Stock Chart Tecogen Stock Chart Perma-Pipe International Stock Chart Gencor Industries Stock Chart OMS Energy Technologies Stock Chart Amtech Systems Stock Chart Taylor Devices Stock Chart Receive QSEP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Save The World Air and its competitors with MarketBeat's FREE daily newsletter. This page (OTCMKTS:QSEP) was last updated on 10/14/2025 by MarketBeat.com Staff From Our PartnersURGENT: The Market's 3 Red Flags Are FlashingHere’s the uncomfortable truth: The smartest investors in the world are already preparing for a crash befor...StockEarnings | SponsoredGold to $27,533?This week, U.S. gold reserves hit an unprecedented $1 TRILLION in value... And it's sparking urgent chatter...Stansberry Research | SponsoredAltucher: It Looks Like My Trump prediction is coming trueNew Hampshire just launched a Strategic Crypto Reserve — and James Altucher says it’s the first sign that “Tru...Paradigm Press | SponsoredWhat if your job didn’t matter — and neither did China’s chip ban?If you’ve been watching the headlines lately…You’ve seen how Nvidia and AMD just got the green light to resume...Timothy Sykes | SponsoredAI's Next Magnificent SevenThe original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. 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