PubMatic (PUBM) Stock Chart & Stock Price History $8.63 -0.01 (-0.12%) Closing price 09/19/2025 04:00 PM EasternExtended Trading$8.49 -0.14 (-1.62%) As of 09/19/2025 07:11 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 PubMatic Stock Price Performance The PubMatic (PUBM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 40.56%, with a year-to-date return of -41.25%. In the past month, the stock has increased 10.36%, reflecting recent market activity. As of the latest close, PubMatic traded at $8.63 with a market cap of $394.59 million and volume of 1.00 million shares. 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Read our full terms of service and privacy policy. 5 Day Performance+5.89%1 Month Performance+10.36%3 Month Performance-21.69%Year-To-Date Performance-41.25%1 Year Performance-40.56% PUBM Stock Chart for Saturday, September, 20, 2025 PUBM Chart by TradingView PubMatic 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$8.64$8.63-0.12%$8.74$8.481.00 million shs$394.59 million09/18/2025$8.63$8.64+0.12%$8.80$8.47465,576 shs$395.02 million09/17/2025$8.42$8.63+2.49%$8.88$8.27579,596 shs$394.56 million09/16/2025$8.15$8.42+3.31%$8.51$8.13728,709 shs$384.99 million09/15/2025$8.22$8.15-0.85%$8.37$8.14679,478 shs$372.62 million09/12/2025$8.52$8.22-3.52%$8.52$8.21488,180 shs$375.82 million09/11/2025$8.09$8.52+5.32%$8.54$8.10734,224 shs$389.53 million09/10/2025$8.50$8.09-4.82%$8.49$8.04786,365 shs$369.90 million09/09/2025$8.55$8.50-0.58%$8.59$8.38363,225 shs$388.62 million09/08/2025$8.37$8.55+2.15%$8.59$8.33580,136 shs$390.91 million Get the Latest News and Ratings for PUBM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for PubMatic and its competitors with MarketBeat's FREE daily newsletter. 09/05/2025$8.31$8.37+0.72%$8.49$8.25334,048 shs$382.68 million09/04/2025$8.40$8.31-1.07%$8.36$8.16345,516 shs$379.96 million09/03/2025$8.52$8.40-1.41%$8.69$8.32472,096 shs$384.05 million09/02/2025$8.67$8.52-1.73%$8.59$8.33476,112 shs$389.53 million09/01/2025$8.67$8.67$8.84$8.59364,873 shs$396.42 million08/29/2025$8.76$8.67-1.03%$8.84$8.59364,873 shs$396.42 million08/28/2025$8.53$8.76+2.70%$8.84$8.50493,473 shs$400.51 million08/27/2025$8.33$8.53+2.40%$8.54$8.30446,212 shs$389.99 million08/26/2025$8.50$8.33-2.00%$8.58$8.31569,803 shs$380.87 million08/25/2025$9.07$8.50-6.28%$9.01$8.45561,447 shs$388.62 million08/22/2025$8.50$9.07+6.71%$9.09$8.48946,713 shs$440.17 million08/21/2025$7.82$8.50+8.70%$8.51$7.861.32 million shs$412.51 million08/20/2025$8.20$7.82-4.63%$8.16$7.80821,184 shs$379.48 million08/19/2025$8.46$8.20-3.07%$8.49$8.17775,612 shs$397.95 million08/18/2025$8.37$8.46+1.08%$8.52$8.30717,741 shs$410.56 million Related Companies Magnite Stock Price Chart N-able Stock Price Chart MeridianLink Stock Price Chart Integral Ad Science Stock Price Chart Tuya Stock Price Chart Couchbase Stock Price Chart Rapid7 Stock Price Chart Jamf Stock Price Chart Yalla Group Stock Price Chart SEMrush Stock Price Chart Receive PUBM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for PubMatic and its competitors with MarketBeat's FREE daily newsletter. 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