Syntec Optics (OPTX) Stock Chart & Stock Price History $1.70 +0.13 (+8.28%) Closing price 04:00 PM EasternExtended Trading$1.68 -0.02 (-1.47%) As of 06:41 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 44.07%, with a year-to-date return of -32.54%. In the past month, the stock has increased 15.65%, reflecting recent market activity. As of the latest close, Syntec Optics traded at $1.57 with a market cap of $57.60 million and volume of 268,316 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+1.19%1 Month Performance+15.65%3 Month Performance+31.78%Year-To-Date Performance-32.54%1 Year Performance+44.07% OPTX Stock Chart for Friday, September, 19, 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 Capitalization09/19/2025$1.57$1.70+8.28%$1.75$1.58139,650 shs$62.37 million09/18/2025$1.77$1.57-11.30%$1.86$1.51268,316 shs$57.60 million09/17/2025$2.12$1.77-16.51%$1.91$1.70380,106 shs$64.94 million09/16/2025$1.81$2.12+17.13%$2.13$1.77512,412 shs$77.78 million09/15/2025$1.68$1.81+7.74%$1.86$1.68107,955 shs$66.41 million09/12/2025$1.77$1.68-5.08%$1.80$1.6866,089 shs$61.64 million09/11/2025$1.76$1.77+0.57%$1.86$1.68118,104 shs$64.94 million09/10/2025$1.69$1.76+4.14%$1.82$1.56151,644 shs$64.57 million09/09/2025$1.75$1.69-3.43%$1.84$1.63166,807 shs$62.01 million09/08/2025$1.50$1.75+16.67%$1.85$1.38891,443 shs$64.20 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. 09/05/2025$1.54$1.50-2.60%$1.56$1.433.11 million shs$55.03 million09/04/2025$1.58$1.54-2.53%$1.69$1.5027,987 shs$56.50 million09/03/2025$1.56$1.58+1.28%$1.59$1.4741,236 shs$57.97 million09/02/2025$1.60$1.56-2.50%$1.58$1.5022,832 shs$57.23 million09/01/2025$1.60$1.60$1.67$1.5236,363 shs$58.70 million08/29/2025$1.62$1.60-1.23%$1.67$1.5236,363 shs$58.70 million08/28/2025$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 million Related Companies QSI Stock Price Chart MASS Stock Price Chart QTRX Stock Price Chart KEQU Stock Price Chart OWLT Stock Price Chart PRE Stock Price Chart RPID Stock Price Chart SEER Stock Price Chart INTT Stock Price Chart NAUT 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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