Byrna Technologies (BYRN) Stock Chart & Stock Price History $20.88 +0.03 (+0.12%) As of 01:54 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Byrna Technologies Stock Price Performance The Byrna Technologies (BYRN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 29.02%, with a year-to-date return of -27.54%. In the past month, the stock has decreased 1.58%, reflecting recent market activity. As of the latest close, Byrna Technologies traded at $20.85 with a market cap of $480.88 million and volume of 413,980 shares. Receive BYRN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Byrna Technologies and its competitors with MarketBeat's FREE daily newsletter. 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Read our full terms of service and privacy policy. 5 Day Performance-6.56%1 Month Performance-1.58%3 Month Performance-2.68%Year-To-Date Performance-27.54%1 Year Performance+29.02% BYRN Stock Chart for Tuesday, October, 21, 2025 BYRN Chart by TradingView Byrna Technologies 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 Capitalization10/20/2025$21.16$20.85-1.47%$21.75$20.69413,980 shs$480.88 million10/17/2025$22.34$21.16-5.28%$22.47$21.10450,329 shs$480.88 million10/16/2025$23.35$22.34-4.33%$23.82$22.25646,628 shs$507.79 million10/15/2025$24.95$23.35-6.41%$25.43$23.11828,823 shs$530.75 million10/14/2025$24.59$24.95+1.46%$25.19$23.44741,298 shs$567.01 million10/13/2025$26.36$24.59-6.71%$27.77$23.711.17 million shs$558.93 million10/10/2025$27.63$26.36-4.60%$30.62$26.281.76 million shs$598.37 million10/09/2025$22.80$27.63+21.18%$27.65$23.262.56 million shs$627.20 million10/08/2025$22.61$22.80+0.84%$23.33$21.56701,390 shs$517.65 million10/07/2025$23.13$22.61-2.25%$24.07$22.30570,103 shs$513.25 million Get the Latest News and Ratings for BYRN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Byrna Technologies and its competitors with MarketBeat's FREE daily newsletter. 10/06/2025$22.60$23.13+2.35%$23.48$22.40660,364 shs$525.05 million10/03/2025$22.25$22.60+1.57%$23.00$22.25455,213 shs$513.02 million10/02/2025$22.48$22.25-1.02%$22.86$22.10393,958 shs$505.16 million10/01/2025$22.16$22.48+1.44%$22.54$21.56487,124 shs$510.30 million09/30/2025$21.69$22.16+2.17%$22.72$21.851.12 million shs$503.03 million09/29/2025$20.91$21.69+3.73%$22.43$20.87416,109 shs$492.45 million09/26/2025$20.77$20.91+0.67%$21.25$20.70352,473 shs$474.74 million09/25/2025$20.39$20.77+1.86%$21.26$19.80480,375 shs$471.48 million09/24/2025$22.06$20.39-7.57%$22.05$20.35552,586 shs$462.85 million09/23/2025$22.08$22.06-0.09%$22.63$21.73537,674 shs$500.85 million09/22/2025$21.21$22.08+4.10%$22.26$20.73486,486 shs$501.22 million Related Companies Fluence Energy Stock Price Chart Enovix Stock Price Chart Atkore Stock Price Chart Energizer Stock Price Chart Amprius Technologies Stock Price Chart Microvast Stock Price Chart SES AI Stock Price Chart Solid Power Stock Price Chart Ballard Power Systems Stock Price Chart NET Power Stock Price Chart Receive BYRN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Byrna Technologies and its competitors with MarketBeat's FREE daily newsletter. 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