Syntec Optics (OPTX) Stock Chart & Stock Price History $1.62 +0.03 (+1.89%) Closing price 03:59 PM EasternExtended Trading$1.57 -0.05 (-3.09%) As of 07:49 PM 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 AnalysisChartCompetitorsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Syntec Optics Stock Price Performance The Syntec Optics (OPTX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 14.89%, with a year-to-date return of -35.71%. In the past month, the stock has decreased 22.86%, reflecting recent market activity. As of the latest close, Syntec Optics traded at $1.59 with a market cap of $58.34 million and volume of 40,467 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+4.52%1 Month Performance-22.86%3 Month Performance-7.95%Year-To-Date Performance-35.71%1 Year Performance+14.89% OPTX Stock Chart for Thursday, August, 28, 2025 OPTX Chart by TradingView Syntec Optics 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 Capitalization08/28/2025$1.59$1.62+1.89%$1.70$1.5820,539 shs$59.44 million08/27/2025$1.69$1.59-5.92%$1.75$1.5640,467 shs$58.34 million08/26/2025$1.55$1.69+9.03%$1.71$1.5654,691 shs$62.00 million08/25/2025$1.55$1.55$1.58$1.5118,746 shs$56.87 million08/22/2025$1.47$1.55+5.44%$1.57$1.4523,361 shs$56.87 million08/21/2025$1.44$1.47+2.08%$1.51$1.4335,842 shs$53.93 million08/20/2025$1.47$1.44-2.04%$1.46$1.4121,187 shs$52.83 million08/19/2025$1.60$1.47-8.13%$1.66$1.4582,825 shs$53.93 million08/18/2025$1.49$1.60+7.60%$1.63$1.4751,119 shs$58.70 million08/15/2025$1.50$1.49-0.87%$1.50$1.4517,146 shs$54.56 million Get the Latest News and Ratings for OPTX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Syntec Optics and its competitors with MarketBeat's FREE daily newsletter. 08/14/2025$1.45$1.50+3.45%$1.56$1.4470,098 shs$55.03 million08/13/2025$1.54$1.45-5.84%$1.54$1.4571,332 shs$53.20 million08/12/2025$1.63$1.54-5.52%$1.60$1.5081,731 shs$56.50 million08/11/2025$1.62$1.63+0.62%$1.69$1.5746,191 shs$59.80 million08/08/2025$1.59$1.62+1.89%$1.65$1.6052,021 shs$59.44 million08/07/2025$1.56$1.59+1.92%$1.62$1.5444,276 shs$58.34 million08/06/2025$1.65$1.56-5.45%$1.65$1.5699,726 shs$57.24 million08/05/2025$1.69$1.65-2.37%$1.75$1.6243,790 shs$60.54 million08/04/2025$1.71$1.69-1.17%$1.78$1.6755,269 shs$62.00 million08/01/2025$1.80$1.71-5.00%$1.83$1.7091,403 shs$62.74 million07/31/2025$2.09$1.80-13.88%$2.10$1.77104,561 shs$66.04 million07/30/2025$1.89$2.09+10.58%$2.32$1.86249,696 shs$76.68 million07/29/2025$2.10$1.89-10.00%$2.06$1.8973,982 shs$69.34 million07/28/2025$2.00$2.10+5.00%$2.12$1.99100,617 shs$77.05 million Related Companies QSI Stock Price Chart KEQU Stock Price Chart OWLT Stock Price Chart SEER Stock Price Chart RPID Stock Price Chart PRE Stock Price Chart INTT Stock Price Chart NAUT Stock Price Chart OPXS Stock Price Chart ODYS Stock Price Chart Receive OPTX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Syntec Optics and its competitors with MarketBeat's FREE daily newsletter. 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