Natural Alternatives International (NAII) Stock Chart & Stock Price History $3.73 +0.12 (+3.32%) As of 12:31 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 33.63%, with a year-to-date return of -13.46%. In the past month, the stock has increased 16.20%, reflecting recent market activity. As of the latest close, Natural Alternatives International traded at $3.74 with a market cap of $23.11 million and volume of 484 shares. Five years ago, the stock traded at $6.52, representing a 42.79% decrease over that period. At the time, it had a market cap of $46.23 million and a volume of 137,813 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-0.27%1 Month Performance+16.20%3 Month Performance+26.01%Year-To-Date Performance-13.46%1 Year Performance-33.63%5 Year Performance-42.79% NAII Stock Chart for Monday, August, 4, 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 Capitalization08/01/2025$3.75$3.74-0.16%$3.62$3.61484 shs$23.11 million07/31/2025$3.74$3.75+0.13%$3.80$3.631,492 shs$23.14 million07/30/2025$3.70$3.74+1.08%$3.80$3.624,380 shs$23.11 million07/29/2025$3.65$3.70+1.51%$3.80$3.616,608 shs$22.87 million07/28/2025$3.63$3.65+0.39%$3.60$3.60564 shs$22.53 million07/25/2025$3.65$3.63-0.52%$3.66$3.581,682 shs$22.44 million07/24/2025$3.65$3.65$3.65$3.531,837 shs$22.55 million07/23/2025$3.47$3.65+5.19%$3.67$3.473,931 shs$22.56 million07/22/2025$3.36$3.47+3.27%$3.70$3.3610,771 shs$21.45 million07/21/2025$3.49$3.36-3.72%$3.48$3.346,591 shs$20.76 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. 07/18/2025$3.41$3.49+2.35%$3.49$3.342,140 shs$21.57 million07/17/2025$3.43$3.41-0.58%$3.58$3.412,793 shs$21.07 million07/16/2025$3.42$3.43+0.29%$3.57$3.421,758 shs$21.20 million07/15/2025$3.40$3.42+0.59%$3.53$3.402,261 shs$21.13 million07/14/2025$3.49$3.40-2.58%$3.51$3.384,009 shs$21.01 million07/11/2025$3.50$3.49-0.29%$3.49$3.342,585 shs$21.57 million07/10/2025$3.43$3.50+2.19%$3.50$3.335,184 shs$21.63 million07/09/2025$3.32$3.43+3.16%$3.50$3.34831 shs$21.17 million07/08/2025$3.32$3.32$3.48$3.325,738 shs$20.51 million07/07/2025$3.21$3.32+3.43%$3.41$3.2311,463 shs$20.52 million07/04/2025$3.21$3.21$3.32$3.251,042 shs$19.84 million07/03/2025$3.21$3.21$3.32$3.251,042 shs$19.84 million Related Companies Oramed Pharmaceuticals Stock Chart Artiva Biotherapeutics Stock Chart XBiotech Stock Chart Entera Bio Stock Chart Milestone Pharmaceuticals Stock Chart Cabaletta Bio Stock Chart Quince Therapeutics Stock Chart Maxpro Capital Acquisition Stock Chart eXoZymes Stock Chart ESSA Pharma 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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