Clearside Biomedical (CLSD) Stock Chart & Stock Price History $3.79 +0.09 (+2.43%) Closing price 10/17/2025 03:50 PM EasternExtended Trading$3.72 -0.07 (-1.85%) As of 04:59 AM 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Clearside Biomedical Stock Price Performance The Clearside Biomedical (CLSD) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 78.03%, with a year-to-date return of -73.40%. In the past month, the stock has increased 0.80%, reflecting recent market activity. As of the latest close, Clearside Biomedical traded at $3.79 with a market cap of $19.86 million and volume of 11,109 shares. Five years ago, the stock traded at a split-adjusted price of $21.60, representing a 82.45% decrease over that period. At the time, it had a market cap of $66.73 million and a volume of 5,521 shares. Receive CLSD Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Clearside Biomedical 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. 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Read our full terms of service and privacy policy. 5 Day Performance-7.79%1 Month Performance+0.80%3 Month Performance-38.37%Year-To-Date Performance-73.40%1 Year Performance-78.03%5 Year Performance-82.45% CLSD Stock Chart for Monday, October, 20, 2025 CLSD Chart by TradingView Clearside Biomedical 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 Capitalization10/17/2025$3.70$3.79+2.43%$3.86$3.6611,109 shs$19.86 million10/16/2025$4.11$3.70-9.98%$4.10$3.6963,805 shs$19.38 million10/15/2025$4.14$4.11-0.72%$4.21$4.0222,546 shs$21.54 million10/14/2025$3.96$4.14+4.55%$4.16$3.8824,817 shs$21.69 million10/13/2025$3.98$3.96-0.50%$4.19$3.9028,645 shs$20.74 million10/10/2025$4.36$3.98-8.72%$4.36$3.9850,927 shs$20.84 million10/09/2025$4.40$4.36-0.91%$4.50$4.2235,750 shs$22.85 million10/08/2025$4.18$4.40+5.26%$4.44$4.1920,992 shs$23.06 million10/07/2025$4.35$4.18-3.91%$4.34$4.0735,246 shs$21.89 million10/06/2025$4.37$4.35-0.46%$4.50$4.3262,577 shs$22.79 million Get the Latest News and Ratings for CLSD and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Clearside Biomedical and its competitors with MarketBeat's FREE daily newsletter. 10/03/2025$4.07$4.37+7.37%$4.37$4.0725,923 shs$22.90 million10/02/2025$4.18$4.07-2.63%$4.19$4.0010,554 shs$21.33 million10/01/2025$3.97$4.18+5.29%$4.26$4.0430,296 shs$21.89 million09/30/2025$4.20$3.97-5.48%$4.45$3.9463,555 shs$20.80 million09/29/2025$4.04$4.20+3.96%$4.28$3.9483,610 shs$22.01 million09/26/2025$3.73$4.04+8.31%$4.11$3.9099,105 shs$21.17 million09/25/2025$4.00$3.73-6.75%$4.04$3.7346,311 shs$19.53 million09/24/2025$3.96$4.00+1.01%$4.10$3.8427,938 shs$20.96 million09/23/2025$4.39$3.96-9.79%$4.57$3.9675,807 shs$20.75 million09/22/2025$3.76$4.39+16.76%$4.52$3.73108,289 shs$22.99 million09/19/2025$3.89$3.76-3.34%$4.01$3.6657,204 shs$19.69 million Related Companies Kalaris Therapeutics Stock Chart Immix Biopharma Stock Chart Invizyne Technologies Stock Chart Assertio Stock Chart Equillium Stock Chart Unicycive Therapeutics Stock Chart Vaxart Stock Chart XBiotech Stock Chart Repare Therapeutics Stock Chart Coeptis Therapeutics Stock Chart Receive CLSD Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Clearside Biomedical and its competitors with MarketBeat's FREE daily newsletter. 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