Byrna Technologies (BYRN) Stock Chart & Stock Price History $22.12 -0.04 (-0.18%) As of 11:14 AM 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 29.43%, with a year-to-date return of -23.22%. In the past month, the stock has increased 8.43%, reflecting recent market activity. As of the latest close, Byrna Technologies traded at $22.16 with a market cap of $503.03 million and volume of 1.12 million shares. 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Read our full terms of service and privacy policy. 5 Day Performance+5.79%1 Month Performance+8.43%3 Month Performance-27.07%Year-To-Date Performance-23.22%1 Year Performance+29.43% BYRN Stock Chart for Wednesday, October, 1, 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 Capitalization09/30/2025$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 million09/19/2025$21.07$21.21+0.66%$21.53$20.74687,033 shs$481.47 million09/18/2025$20.51$21.07+2.73%$21.31$20.52286,411 shs$478.29 million09/17/2025$20.35$20.51+0.79%$20.79$20.07269,618 shs$465.66 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. 09/16/2025$20.03$20.35+1.60%$20.44$19.71328,419 shs$461.95 million09/15/2025$19.97$20.03+0.30%$20.39$19.61328,196 shs$454.68 million09/12/2025$20.31$19.97-1.67%$21.11$19.94418,753 shs$453.32 million09/11/2025$20.74$20.31-2.07%$21.87$20.26558,889 shs$461.12 million09/10/2025$19.44$20.74+6.69%$20.79$19.60356,778 shs$470.80 million09/09/2025$20.24$19.44-3.95%$20.49$19.37378,747 shs$441.29 million09/08/2025$19.62$20.24+3.16%$20.81$19.64651,235 shs$459.53 million09/05/2025$18.94$19.62+3.59%$20.46$19.08813,439 shs$445.45 million09/04/2025$20.31$18.94-6.75%$22.00$18.901.12 million shs$429.94 million09/03/2025$20.80$20.31-2.36%$21.26$20.06332,259 shs$461.04 million09/02/2025$20.40$20.80+1.96%$21.16$19.38506,044 shs$472.24 million09/01/2025$20.40$20.40$20.82$19.70401,531 shs$463.08 million Related Companies Fluence Energy Stock Price Chart Amprius Technologies Stock Price Chart Microvast Stock Price Chart Ballard Power Systems Stock Price Chart Solid Power Stock Price Chart SES AI Stock Price Chart NET Power Stock Price Chart Energy Vault Stock Price Chart GrafTech International Stock Price Chart Rice Acquisition Corp. II 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. This page (NASDAQ:BYRN) was last updated on 10/1/2025 by MarketBeat.com Staff From Our PartnersMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | Sponsored6-Figure Target for BTC by 2025Crypto ETF records broken – here's what’s next The biggest names in finance have built the infrastructure f...Crypto 101 Media | SponsoredREVEALED FREE: Our top 3 stocks to own in 2025 and beyondMost “hot AI stocks” will vanish — but Weiss Ratings’ system, ranked #1 for accuracy, just flagged 10 AI stock...Weiss Ratings | SponsoredTilson: “I’m watching HOOD”A strange chasm is coming to Wall Street... 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