Proto Labs (PRLB) Stock Chart & Stock Price History $46.61 +0.32 (+0.69%) Closing price 03:59 PM EasternExtended Trading$46.64 +0.03 (+0.06%) As of 04:10 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 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 64.29%, with a year-to-date return of 19.23%. In the past month, the stock has increased 14.29%, reflecting recent market activity. As of the latest close, Proto Labs traded at $46.21 with a market cap of $1.10 billion and volume of 260,758 shares. Five years ago, the stock traded at $130.13, representing a 64.18% decrease over that period. At the time, it had a market cap of $3.47 billion and a volume of 250,759 shares. 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. Email Address 5 Day Performance+7.71%1 Month Performance+14.29%3 Month Performance+15.94%Year-To-Date Performance+19.23%1 Year Performance+64.29%5 Year Performance-64.18% PRLB Stock Chart for Friday, August, 8, 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 Capitalization08/07/2025$44.93$46.21+2.84%$46.41$45.00260,758 shs$1.10 billion08/06/2025$44.13$44.93+1.81%$45.25$43.76207,038 shs$1.07 billion08/05/2025$43.23$44.13+2.08%$44.20$43.05214,825 shs$1.05 billion08/04/2025$43.27$43.23-0.09%$44.33$42.84233,749 shs$1.03 billion08/01/2025$43.00$43.27+0.64%$44.60$42.89360,735 shs$1.03 billion07/31/2025$39.03$43.00+10.16%$43.94$40.84390,192 shs$1.02 billion07/30/2025$39.98$39.03-2.38%$40.25$38.62197,980 shs$927.78 million07/29/2025$39.67$39.98+0.78%$40.05$39.10161,632 shs$950.33 million07/28/2025$39.05$39.67+1.59%$39.88$39.08151,752 shs$942.96 million07/25/2025$38.76$39.05+0.74%$39.11$38.48104,588 shs$928.22 million 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. 07/24/2025$39.80$38.76-2.61%$39.41$38.69111,917 shs$921.41 million07/23/2025$38.97$39.80+2.13%$39.86$39.09172,601 shs$946.05 million07/22/2025$39.13$38.97-0.41%$39.44$38.88134,240 shs$926.32 million07/21/2025$39.31$39.13-0.46%$39.81$39.11193,295 shs$930.14 million07/18/2025$40.16$39.31-2.12%$40.42$39.26313,702 shs$934.40 million07/17/2025$39.60$40.16+1.43%$40.83$39.72162,644 shs$954.69 million07/16/2025$39.44$39.60+0.40%$39.77$38.74247,321 shs$941.22 million07/15/2025$40.12$39.44-1.68%$40.38$39.44209,620 shs$937.53 million07/14/2025$40.13$40.12-0.04%$40.36$39.78108,367 shs$953.57 million07/11/2025$41.15$40.13-2.48%$40.99$40.03162,059 shs$953.93 million07/10/2025$41.08$41.15+0.17%$41.63$40.99135,121 shs$978.14 million07/09/2025$40.78$41.08+0.74%$41.17$40.33136,315 shs$976.47 million07/08/2025$40.54$40.78+0.59%$41.38$40.29154,519 shs$969.38 million07/07/2025$41.17$40.54-1.53%$41.40$40.47187,632 shs$963.64 million Related Companies Kadant Stock Price Chart MUELLER WATER PRODUCTS Stock Price Chart Standex International Stock Price Chart Kennametal Stock Price Chart Albany International Stock Price Chart Tennant Stock Price Chart TriMas Stock Price Chart Gorman-Rupp Stock Price Chart Hyster-Yale 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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