Mercury Systems (MRCY) Stock Chart & Stock Price History $83.92 +0.45 (+0.54%) Closing price 10/8/2025 04:00 PM EasternExtended Trading$83.92 0.00 (0.00%) As of 06:02 AM 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Mercury Systems Stock Price Performance The Mercury Systems (MRCY) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 131.38%, with a year-to-date return of 99.81%. In the past month, the stock has increased 22.17%, reflecting recent market activity. As of the latest close, Mercury Systems traded at $83.92 with a market cap of $5.04 billion and volume of 378,732 shares. Five years ago, the stock traded at $78.51, representing a 6.89% increase over that period. At the time, it had a market cap of $4.40 billion and a volume of 249,345 shares. Receive MRCY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Mercury Systems 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. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance+0.50%1 Month Performance+22.17%3 Month Performance+60.15%Year-To-Date Performance+99.81%1 Year Performance+131.38%5 Year Performance+6.89% MRCY Stock Chart for Thursday, October, 9, 2025 MRCY Chart by TradingView Mercury Systems 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$83.47$83.92+0.54%$84.38$83.20378,732 shs$5.04 billion10/07/2025$84.00$83.47-0.63%$84.90$82.33508,692 shs$5.01 billion10/06/2025$83.50$84.00+0.60%$85.33$82.22571,926 shs$5.04 billion10/03/2025$82.56$83.50+1.14%$85.26$82.531.01 million shs$5.01 billion10/02/2025$81.18$82.56+1.70%$83.45$80.13709,109 shs$4.96 billion10/01/2025$77.40$81.18+4.88%$81.35$77.45816,333 shs$4.87 billion09/30/2025$75.28$77.40+2.82%$77.61$74.81602,819 shs$4.65 billion09/29/2025$76.82$75.28-2.00%$78.35$75.131.19 million shs$4.52 billion09/26/2025$73.13$76.82+5.05%$77.06$74.15711,763 shs$4.61 billion09/25/2025$74.27$73.13-1.53%$74.57$72.341.04 million shs$4.39 billion Get the Latest News and Ratings for MRCY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Mercury Systems and its competitors with MarketBeat's FREE daily newsletter. 09/24/2025$75.34$74.27-1.42%$75.88$73.99495,617 shs$4.46 billion09/23/2025$76.57$75.34-1.61%$77.96$74.78569,881 shs$4.52 billion09/22/2025$75.77$76.57+1.06%$76.99$75.00539,017 shs$4.60 billion09/19/2025$77.10$75.77-1.73%$78.75$75.631.71 million shs$4.55 billion09/18/2025$73.82$77.10+4.44%$77.41$73.41617,709 shs$4.63 billion09/17/2025$74.59$73.82-1.03%$75.50$72.34856,876 shs$4.43 billion09/16/2025$72.81$74.59+2.44%$75.06$72.97824,513 shs$4.48 billion09/15/2025$72.24$72.81+0.79%$73.31$71.48619,763 shs$4.37 billion09/12/2025$73.08$72.24-1.15%$73.63$72.21639,069 shs$4.33 billion09/11/2025$71.70$73.08+1.92%$74.00$71.89572,893 shs$4.38 billion09/10/2025$68.69$71.70+4.38%$72.04$68.47758,836 shs$4.30 billion09/09/2025$68.68$68.69+0.01%$69.59$67.68448,775 shs$4.12 billion09/08/2025$68.93$68.68-0.36%$70.76$68.12582,959 shs$4.12 billion Related Companies Fabrinet Stock Chart Sanmina Stock Chart TTM Technologies Stock Chart Plexus Stock Chart IPG Photonics Stock Chart Benchmark Electronics Stock Chart CTS Stock Chart Park Aerospace Stock Chart Methode Electronics Stock Chart Neonode Stock Chart Receive MRCY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Mercury Systems and its competitors with MarketBeat's FREE daily newsletter. 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