Natural Alternatives International (NAII) Stock Chart & Stock Price History $3.31 +0.03 (+0.95%) As of 04:00 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Natural Alternatives International Stock Price Performance The Natural Alternatives International (NAII) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 49.70%, with a year-to-date return of -23.43%. In the past month, the stock has increased 26.44%, reflecting recent market activity. As of the latest close, Natural Alternatives International traded at $3.28 with a market cap of $20.33 million and volume of 6,858 shares. Five years ago, the stock traded at $6.18, representing a 46.60% decrease over that period. At the time, it had a market cap of $41.27 million and a volume of 4,900 shares. Receive NAII Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Natural Alternatives International and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+1.54%1 Month Performance+26.44%3 Month Performance-21.62%Year-To-Date Performance-23.43%1 Year Performance-49.70%5 Year Performance-46.60% NAII Stock Chart for Wednesday, May, 21, 2025 NAII Chart by TradingView Natural Alternatives International 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 Capitalization05/21/2025$3.28$3.30+0.61%$3.30$3.297,516 shs$20.46 million05/20/2025$3.31$3.28-0.91%$3.34$3.286,858 shs$20.33 million05/19/2025$3.25$3.31+1.85%$3.33$3.252,436 shs$20.52 million05/16/2025$3.30$3.25-1.52%$3.29$3.214,256 shs$20.15 million05/15/2025$3.23$3.30+2.17%$3.30$3.275,501 shs$20.46 million05/14/2025$3.30$3.23-2.12%$3.30$3.2115,575 shs$20.02 million05/13/2025$3.22$3.30+2.48%$3.34$3.286,244 shs$20.46 million05/12/2025$3.23$3.22-0.31%$3.33$3.226,510 shs$19.96 million05/09/2025$3.17$3.23+1.89%$3.42$3.207,844 shs$20.02 million05/08/2025$2.86$3.17+10.84%$3.17$2.8526,055 shs$19.65 million Get the Latest News and Ratings for NAII and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Natural Alternatives International and its competitors with MarketBeat's FREE daily newsletter. 05/07/2025$2.70$2.86+5.93%$2.97$2.757,494 shs$17.73 million05/06/2025$2.81$2.70-3.91%$2.90$2.6915,235 shs$16.74 million05/05/2025$2.96$2.81-5.07%$2.95$2.7214,272 shs$17.42 million05/02/2025$3.00$2.96-1.33%$3.13$2.7824,245 shs$18.35 million05/01/2025$3.00$3.00$3.23$2.9316,239 shs$18.60 million04/30/2025$3.11$3.00-3.54%$3.37$2.9554,504 shs$18.60 million04/29/2025$3.09$3.11+0.65%$3.31$2.9732,522 shs$19.28 million04/28/2025$3.05$3.09+1.31%$3.45$2.9366,768 shs$19.16 million04/25/2025$2.89$3.05+5.54%$3.10$2.9133,419 shs$18.91 million04/24/2025$2.72$2.89+6.25%$3.14$2.7921,132 shs$17.92 million04/23/2025$2.62$2.72+3.82%$2.88$2.6523,093 shs$16.86 million04/22/2025$2.61$2.62+0.38%$2.81$2.6114,645 shs$16.24 million04/21/2025$2.69$2.61-2.97%$3.20$2.5723,106 shs$16.18 million Related Companies OncoCyte Stock Chart Genenta Science Stock Chart CervoMed Stock Chart Pyxis Oncology Stock Chart Telomir Pharmaceuticals Stock Chart ESSA Pharma Stock Chart Jasper Therapeutics Stock Chart Adaptimmune Therapeutics Stock Chart I-Mab Stock Chart Sutro Biopharma Stock Chart Receive NAII Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Natural Alternatives International and its competitors with MarketBeat's FREE daily newsletter. 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