Byrna Technologies (BYRN) Stock Chart & Stock Price History $19.83 -0.65 (-3.17%) Closing price 08/14/2025 04:00 PM EasternExtended Trading$20.02 +0.19 (+0.98%) As of 07:02 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 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 87.08%, with a year-to-date return of -31.17%. In the past month, the stock has decreased 10.60%, reflecting recent market activity. As of the latest close, Byrna Technologies traded at $19.83 with a market cap of $450.22 million and volume of 397,694 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. Email Address 5 Day Performance-6.24%1 Month Performance-10.60%3 Month Performance-22.33%Year-To-Date Performance-31.17%1 Year Performance+87.08% BYRN Stock Chart for Friday, August, 15, 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 Capitalization08/14/2025$20.48$19.83-3.17%$20.44$19.43397,694 shs$450.22 million08/13/2025$20.95$20.48-2.24%$21.07$18.30724,551 shs$464.90 million08/12/2025$21.39$20.95-2.06%$21.68$20.84391,817 shs$475.57 million08/11/2025$21.15$21.39+1.13%$21.83$21.12309,927 shs$485.64 million08/08/2025$21.24$21.15-0.42%$21.51$20.59373,422 shs$480.19 million08/07/2025$20.98$21.24+1.24%$21.53$20.82347,201 shs$482.15 million08/06/2025$22.21$20.98-5.54%$22.26$20.53604,762 shs$476.25 million08/05/2025$21.86$22.21+1.60%$22.36$21.57535,033 shs$504.17 million08/04/2025$21.32$21.86+2.53%$22.11$21.55353,064 shs$484.05 million08/01/2025$22.21$21.32-4.01%$21.81$20.90534,453 shs$484.05 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. 07/31/2025$22.12$22.21+0.41%$22.66$21.75377,334 shs$504.17 million07/30/2025$22.61$22.12-2.17%$22.85$21.77467,572 shs$502.12 million07/29/2025$23.48$22.61-3.71%$23.74$22.46448,029 shs$513.34 million07/28/2025$23.65$23.48-0.72%$24.15$22.82487,301 shs$533.00 million07/25/2025$23.54$23.65+0.47%$24.13$23.05536,100 shs$536.86 million07/24/2025$23.55$23.54-0.04%$24.29$22.98666,698 shs$534.36 million07/23/2025$21.68$23.55+8.63%$23.73$22.29894,119 shs$534.68 million07/22/2025$21.45$21.68+1.07%$21.98$20.22758,095 shs$492.14 million07/21/2025$21.74$21.45-1.33%$22.20$21.35698,109 shs$486.92 million07/18/2025$21.98$21.74-1.09%$22.22$21.51659,421 shs$493.50 million07/17/2025$22.89$21.98-3.98%$23.30$21.79908,746 shs$499.03 million07/16/2025$22.18$22.89+3.20%$24.26$22.551.03 million shs$519.60 million07/15/2025$22.51$22.18-1.47%$23.15$22.00809,484 shs$503.00 million07/14/2025$22.97$22.51-2.00%$23.05$21.891.28 million shs$510.48 million Related Companies Atkore Stock Price Chart Plug Power Stock Price Chart Fluence Energy Stock Price Chart Eos Energy Enterprises Stock Price Chart Amprius Technologies Stock Price Chart Microvast Stock Price Chart Solid Power Stock Price Chart NET Power Stock Price Chart Ballard Power Systems Stock Price Chart SES AI 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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