Proto Labs (PRLB) Stock Chart & Stock Price History $51.10 +1.73 (+3.50%) As of 01:08 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 Proto Labs Stock Price Performance The Proto Labs (PRLB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 72.11%, with a year-to-date return of 30.72%. In the past month, the stock has increased 5.52%, reflecting recent market activity. As of the latest close, Proto Labs traded at $49.24 with a market cap of $1.18 billion and volume of 140,716 shares. Five years ago, the stock traded at $138.28, representing a 63.05% decrease over that period. At the time, it had a market cap of $3.69 billion and a volume of 738,412 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+3.60%1 Month Performance+5.52%3 Month Performance+34.30%Year-To-Date Performance+30.72%1 Year Performance+72.11%5 Year Performance-63.05% PRLB Stock Chart for Thursday, September, 18, 2025 PRLB Chart by TradingView Proto Labs 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 Capitalization09/17/2025$49.42$49.24-0.37%$50.50$48.99140,716 shs$1.18 billion09/16/2025$49.66$49.42-0.48%$49.63$48.87126,593 shs$1.18 billion09/15/2025$49.32$49.66+0.68%$50.14$49.4496,735 shs$1.19 billion09/12/2025$50.41$49.32-2.15%$50.05$49.29126,260 shs$1.18 billion09/11/2025$49.05$50.41+2.76%$50.43$49.04144,218 shs$1.20 billion09/10/2025$49.64$49.05-1.17%$49.80$48.80119,443 shs$1.17 billion09/09/2025$50.27$49.64-1.26%$50.04$49.15139,286 shs$1.19 billion09/08/2025$49.97$50.27+0.60%$50.32$49.67157,710 shs$1.20 billion09/05/2025$50.13$49.97-0.33%$50.89$49.57132,116 shs$1.19 billion09/04/2025$49.10$50.13+2.12%$50.20$49.06141,984 shs$1.20 billion Get the Latest News and Ratings for PRLB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Proto Labs and its competitors with MarketBeat's FREE daily newsletter. 09/03/2025$49.13$49.10-0.07%$49.50$48.78212,413 shs$1.17 billion09/02/2025$49.69$49.13-1.12%$49.31$48.59148,280 shs$1.17 billion09/01/2025$49.69$49.69$50.68$49.39207,182 shs$1.19 billion08/29/2025$50.71$49.69-2.02%$50.68$49.39207,182 shs$1.19 billion08/28/2025$50.82$50.71-0.22%$50.93$50.21163,456 shs$1.21 billion08/27/2025$50.21$50.82+1.21%$50.85$49.55173,936 shs$1.21 billion08/26/2025$50.54$50.21-0.65%$50.96$50.08170,072 shs$1.20 billion08/25/2025$50.79$50.54-0.50%$50.82$50.09214,367 shs$1.21 billion08/22/2025$48.22$50.79+5.33%$51.09$48.32250,139 shs$1.21 billion08/21/2025$47.69$48.22+1.12%$48.26$47.05118,070 shs$1.15 billion08/20/2025$48.53$47.69-1.72%$48.53$47.43112,288 shs$1.14 billion08/19/2025$48.43$48.53+0.20%$49.07$48.27117,917 shs$1.16 billion08/18/2025$48.09$48.43+0.70%$48.75$47.94159,177 shs$1.16 billion Related Companies Enpro Stock Price Chart Mueller Water Products Stock Price Chart Kadant Stock Price Chart Standex International Stock Price Chart Albany International Stock Price Chart Kennametal Stock Price Chart TriMas Stock Price Chart Tennant Stock Price Chart Gorman-Rupp Stock Price Chart Energy Recovery Stock Price Chart Receive PRLB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Proto Labs and its competitors with MarketBeat's FREE daily newsletter. 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