Aldeyra Therapeutics (ALDX) Stock Chart & Stock Price History $2.24 +0.07 (+2.98%) As of 02:33 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 InterestTrendsBuy This Stock Aldeyra Therapeutics Stock Price Performance 5 Day Performance+12.97%1 Month Performance+18.59%3 Month Performance-62.44%6 Month Performance-52.42%Year-To-Date Performance-54.61%1 Year Performance-39.92%3 Year Performance-6.79%5 Year Performance-32.39% ALDX Stock Chart for Monday, May, 12, 2025 ALDX Chart by TradingView The Aldeyra Therapeutics (ALDX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 39.92%, with a year-to-date return of -54.61%. In the past month, the stock has increased 18.59%, reflecting recent market activity. As of the latest close, Aldeyra Therapeutics traded at $2.18 with a market cap of $130.57 million and volume of 1.09 million shares. Five years ago, the stock traded at $3.35, representing a 32.39% decrease over that period. At the time, it had a market cap of $84.90 million and a volume of 2.17 million shares. Receive ALDX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Aldeyra Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address Aldeyra 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 Capitalization05/09/2025$2.16$2.18+0.88%$2.30$2.141.09 million shs$130.57 million05/08/2025$2.01$2.16+7.78%$2.17$1.931.66 million shs$129.44 million05/07/2025$2.10$2.01-4.52%$2.17$1.902.24 million shs$120.09 million05/06/2025$2.70$2.10-22.22%$2.43$2.024.56 million shs$125.78 million05/05/2025$2.81$2.70-3.91%$2.82$2.67983,923 shs$161.72 million05/02/2025$2.71$2.81+3.69%$2.89$2.65894,560 shs$168.31 million05/01/2025$2.65$2.71+2.26%$2.74$2.381.72 million shs$161.81 million04/30/2025$2.69$2.65-1.49%$2.70$2.57749,806 shs$158.23 million04/29/2025$2.76$2.69-2.54%$2.77$2.63995,495 shs$160.62 million04/28/2025$2.66$2.76+3.76%$2.82$2.61904,879 shs$164.80 million Get the Latest News and Ratings for ALDX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Aldeyra Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 04/25/2025$2.65$2.66+0.38%$2.80$2.581.38 million shs$158.83 million04/24/2025$2.42$2.65+9.50%$2.67$2.381.15 million shs$158.23 million04/23/2025$2.32$2.42+4.31%$2.53$2.361.05 million shs$144.50 million04/22/2025$2.24$2.32+3.57%$2.40$2.251.12 million shs$138.53 million04/21/2025$2.19$2.24+2.28%$2.36$2.131.12 million shs$133.75 million04/18/2025$2.19$2.19$2.22$2.031.88 million shs$130.76 million04/17/2025$2.01$2.19+8.96%$2.22$2.031.88 million shs$130.76 million04/16/2025$2.20$2.01-8.64%$2.23$1.991.37 million shs$120.02 million04/15/2025$2.12$2.20+3.77%$2.36$2.092.20 million shs$131.36 million04/14/2025$1.91$2.12+10.99%$2.18$1.942.11 million shs$126.58 million04/11/2025$1.89$1.91+1.06%$1.94$1.791.72 million shs$114.04 million Related Companies COGT Stock Chart PHAR Stock Chart BCYC Stock Chart ANAB Stock Chart AKBA Stock Chart ZYBT Stock Chart KROS Stock Chart CRMD Stock Chart GHRS Stock Chart SVRA Stock Chart Receive ALDX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Aldeyra Therapeutics and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:ALDX) was last updated on 5/12/2025 by MarketBeat.com Staff From Our PartnersThis Is The Moment You Betray Trump (Or Prove Them Wrong)They said you wouldn’t last—that Bidenflation, Wall Street selloffs, and DEI funds would break your loyalty to...Colonial Metals | SponsoredBlackrock’s Sending THIS Crypto Higher on PurposeWhile everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly po...Crypto 101 Media | SponsoredGold Hits New Highs as Global Markets SpiralWhen Trump took office in 2017, gold was just $1,100 an ounce. By the time he left, it had soared to $1,839. ...Premier Gold Co | SponsoredElon Set to Shock the World on June 1st?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | SponsoredVIDEO: Strange New Elon Device to Shock the WorldElon Musk’s Next BIG Bet And this time he plans to dominate a market worth $3.2 trillion. 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