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The price of Natural Alternatives International, Inc. (NAII) on October 9, 2026 is 1.14 USD, -0.87% on the day. Over 52 weeks the stock traded between 1.11 USD and 4.96 USD; the price now sits 1% of the way up that range. Over the past year the price changed by -57.46%. Market capitalization is 7.53 million USD, rank 11 among 11 stocks of the same industry with a known capitalization.
Closing prices for 09 October 2026
Next earnings report: none scheduled in the next five weeks · Earnings calendar
Natural Alternatives International, Inc. trades on Nasdaq under the ticker NAII. The company belongs to the Health care sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks NAII has traded between 1.11 $ and 4.96 $. As of 09 October 2026 the price stood 0.78 % of the way from the 52-week low to the high.
Over one year NAII shares fell 57.46 %; over six months they fell 59.72 %. Volatility over 90 days is 56.49 %. Dividends are not included: this is price change only, as of 09 October 2026.
The company reported a loss over the last four quarters, so a price-to-earnings ratio is not calculated. Price to sales is 0.1, below the sector median of 3.9. Price to book is 0.1, below the sector median of 2.4. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 09 October 2026 | 1.18 | 1.42 | 1.11 | 1.14 | 94,463 |
| 08 October 2026 | 1.26 | 1.38 | 1.12 | 1.15 | 49,000 |
| 07 October 2026 | 1.33 | 1.42 | 1.21 | 1.29 | 34,200 |
| 06 October 2026 | 1.53 | 1.53 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the last 12 months of reports, through 31 March 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
Address:1535 FARADAY AVENUE, CARLSBAD, CA, 92008-7319, US
Natural Alternatives International, Inc. reported revenue of 142M $ and a net loss of 14M $ over the last four quarters. Net margin is −10.13 %. Revenue changed by +13.06 % year over year. Earnings per share are −2.40 $. Market capitalisation is 8M $.
NAII has a return on equity of −22.77 %, above the sector median of −41.68 %. Return on assets is −9.28 %, above the sector median of −32.11 %. Operating margin is −5.30 %, above the sector median of −26.84 %.
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| 1.31 |
| 1.33 |
| 24,400 |
| 05 October 2026 | 1.52 | 1.52 | 1.42 | 1.43 | 12,600 |
| 02 October 2026 | 1.50 | 1.63 | 1.42 | 1.48 | 26,100 |
| 01 October 2026 | 1.51 | 1.58 | 1.41 | 1.48 | 14,200 |
| 30 September 2026 | 1.54 | 1.58 | 1.32 | 1.49 | 60,100 |
| 29 September 2026 | 1.63 | 1.63 | 1.28 | 1.47 | 90,100 |
| 28 September 2026 | 1.77 | 1.77 | 1.70 | 1.70 | 12,000 |
| 25 September 2026 | 1.77 | 1.84 | 1.75 | 1.75 | 4,600 |
| 24 September 2026 | 1.85 | 1.90 | 1.73 | 1.73 | 8,700 |
| 23 September 2026 | 1.95 | 1.95 | 1.80 | 1.85 | 19,600 |
| 22 September 2026 | 1.99 | 1.99 | 1.88 | 1.90 | 6,300 |
| 21 September 2026 | 1.87 | 1.92 | 1.83 | 1.87 | 20,700 |
| 18 September 2026 | 1.95 | 1.95 | 1.85 | 1.87 | 8,600 |
| 17 September 2026 | 2.08 | 2.15 | 1.88 | 1.92 | 23,200 |
| 16 September 2026 | 1.94 | 2.24 | 1.94 | 1.96 | 14,700 |
| 15 September 2026 | 1.95 | 1.98 | 1.95 | 1.97 | 1,600 |
| 14 September 2026 | 1.93 | 2.12 | 1.90 | 1.96 | 35,800 |