CytomX Therapeutics (CTMX) Stock Chart & Stock Price History $1.98 +0.05 (+2.33%) As of 03:01 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock CytomX Therapeutics Stock Price Performance The CytomX Therapeutics (CTMX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 65.97%, with a year-to-date return of 91.75%. In the past month, the stock has decreased 6.84%, reflecting recent market activity. As of the latest close, CytomX Therapeutics traded at $1.93 with a market cap of $318.28 million and volume of 1.89 million shares. Five years ago, the stock traded at $7.40, representing a 73.31% decrease over that period. At the time, it had a market cap of $341.82 million and a volume of 715,490 shares. Receive CTMX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for CytomX Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance-1.25%1 Month Performance-6.84%3 Month Performance-6.40%Year-To-Date Performance+91.75%1 Year Performance+65.97%5 Year Performance-73.31% CTMX Stock Chart for Thursday, September, 18, 2025 CTMX Chart by TradingView CytomX Therapeutics 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$1.96$1.93-1.53%$2.03$1.931.89 million shs$318.28 million09/16/2025$1.99$1.96-1.51%$2.01$1.901.99 million shs$323.22 million09/15/2025$2.00$1.99-0.50%$2.01$1.913.35 million shs$328.17 million09/12/2025$2.09$2.00-4.31%$2.12$2.001.70 million shs$329.82 million09/11/2025$2.07$2.09+0.97%$2.16$2.041.69 million shs$344.66 million09/10/2025$2.09$2.07-0.96%$2.14$2.061.57 million shs$341.36 million09/09/2025$2.18$2.09-4.13%$2.22$2.044.52 million shs$359.51 million09/08/2025$2.28$2.18-4.39%$2.30$2.093.41 million shs$359.50 million09/05/2025$2.10$2.28+8.57%$2.29$2.074.24 million shs$376.00 million09/04/2025$2.12$2.10-0.94%$2.15$2.022.41 million shs$346.31 million Get the Latest News and Ratings for CTMX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for CytomX Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 09/03/2025$2.08$2.12+1.92%$2.17$2.071.53 million shs$349.62 million09/02/2025$2.04$2.08+1.96%$2.12$2.001.28 million shs$343.01 million09/01/2025$2.04$2.04$2.07$1.991.21 million shs$336.42 million08/29/2025$2.05$2.04-0.49%$2.07$1.991.21 million shs$336.42 million08/28/2025$2.07$2.05-0.97%$2.18$2.051.58 million shs$338.07 million08/27/2025$2.03$2.07+1.97%$2.09$2.031.03 million shs$341.36 million08/26/2025$2.00$2.03+1.50%$2.08$2.001.28 million shs$334.77 million08/25/2025$2.12$2.00-5.66%$2.13$1.972.99 million shs$329.83 million08/22/2025$2.03$2.12+4.43%$2.22$1.966.09 million shs$349.62 million08/21/2025$1.97$2.03+3.05%$2.09$1.952.43 million shs$334.77 million08/20/2025$2.00$1.97-1.50%$2.03$1.892.68 million shs$324.87 million08/19/2025$2.12$2.00-5.66%$2.15$1.983.00 million shs$329.83 million08/18/2025$1.91$2.12+10.99%$2.15$1.907.61 million shs$349.61 million Related Companies Cogent Biosciences Stock Chart Syndax Pharmaceuticals Stock Chart Janux Therapeutics Stock Chart Schrodinger Stock Chart Harrow Stock Chart Amphastar Pharmaceuticals Stock Chart Nuvation Bio Stock Chart WAVE Life Sciences Stock Chart 89BIO Stock Chart Tilray Brands Stock Chart Receive CTMX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for CytomX Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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