Natural Alternatives International, Inc. (NAII) NASDAQ
Currency In USD
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NAII Historical Return
If you invested $1000 in Natural Alternatives International, Inc. (NAII) 10 years ago, it would be worth $78.57 as of November 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $64.62, while $1000 invested 1 year ago would be worth $332.74. This corresponds to total returns of -92.14%, -93.54%, -66.73%, respectively, with annualized returns of -22.46%, -42.16%, -66.73%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
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NAII Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| November 11, 2026 | 1.01 | 1.03 | 1.03 | 1.04 | 0.94 | 27,066 |
| November 10, 2026 | 1.19 | 1.03 | 1.03 | 1.19 | 1.03 | 16,471 |
| November 09, 2026 | 1.18 | 1.15 | 1.15 | 1.18 | 1.1 | 11,203 |
| November 06, 2026 | 1.1 | 1.11 | 1.11 | 1.11 | 1.08 | 12,017 |
| November 05, 2026 | 1.12 | 1.09 | 1.09 | 1.12 | 1.09 | 954 |
| November 04, 2026 | 1.09 | 1.1 | 1.1 | 1.13 | 1.06 | 7,914 |
| November 03, 2026 | 1.08 | 1.06 | 1.06 | 1.08 | 1.06 | 5,096 |
| November 02, 2026 | 1.09 | 1.07 | 1.07 | 1.14 | 1.07 | 14,500 |
| October 30, 2026 | 1.13 | 1.07 | 1.07 | 1.13 | 1.07 | 2,686 |
| October 29, 2026 | 1.15 | 1.11 | 1.11 | 1.15 | 1.07 | 37,773 |
| October 28, 2026 | 1.15 | 1.16 | 1.16 | 1.17 | 1.1 | 10,667 |
| October 27, 2026 | 1.2 | 1.13 | 1.13 | 1.2 | 1.13 | 1,282 |
| October 26, 2026 | 1.13 | 1.15 | 1.15 | 1.22 | 1.13 | 5,193 |
| October 23, 2026 | 1.22 | 1.21 | 1.21 | 1.22 | 1.15 | 6,804 |
| October 22, 2026 | 1.2 | 1.2 | 1.2 | 1.22 | 1.2 | 16,682 |
| October 21, 2026 | 1.23 | 1.19 | 1.19 | 1.24 | 1.16 | 1,777 |
| October 20, 2026 | 1.17 | 1.16 | 1.16 | 1.26 | 1.15 | 54,349 |
| October 19, 2026 | 1.16 | 1.15 | 1.15 | 1.16 | 1.15 | 11,327 |
| October 16, 2026 | 1.15 | 1.15 | 1.15 | 1.2 | 1.15 | 25,549 |
| October 15, 2026 | 1.19 | 1.12 | 1.12 | 1.19 | 1.1 | 5,059 |
| October 14, 2026 | 1.14 | 1.14 | 1.14 | 1.17 | 1.08 | 31,593 |
| October 13, 2026 | 1.21 | 1.15 | 1.15 | 1.32 | 1.15 | 30,113 |
| October 12, 2026 | 1.13 | 1.22 | 1.22 | 1.34 | 1.13 | 63,719 |
| October 09, 2026 | 1.18 | 1.14 | 1.14 | 1.42 | 1.11 | 93,963 |
| October 08, 2026 | 1.26 | 1.15 | 1.15 | 1.38 | 1.12 | 48,970 |
| October 07, 2026 | 1.33 | 1.29 | 1.29 | 1.34 | 1.21 | 34,166 |
| October 06, 2026 | 1.53 | 1.33 | 1.33 | 1.53 | 1.31 | 24,413 |
| October 05, 2026 | 1.43 | 1.45 | 1.45 | 1.46 | 1.43 | 10,772 |
| October 02, 2026 | 1.6 | 1.48 | 1.48 | 1.62 | 1.42 | 25,964 |
| October 01, 2026 | 1.51 | 1.48 | 1.48 | 1.58 | 1.41 | 14,201 |
| September 30, 2026 | 1.54 | 1.49 | 1.49 | 1.58 | 1.32 | 59,950 |
| September 29, 2026 | 1.63 | 1.47 | 1.47 | 1.63 | 1.28 | 90,102 |
| September 28, 2026 | 1.77 | 1.7 | 1.7 | 1.79 | 1.7 | 11,145 |
| September 25, 2026 | 1.75 | 1.75 | 1.75 | 1.77 | 1.75 | 4,593 |
| September 24, 2026 | 1.75 | 1.73 | 1.73 | 1.76 | 1.73 | 8,698 |
| September 23, 2026 | 1.9 | 1.85 | 1.85 | 1.95 | 1.8 | 19,566 |
| September 22, 2026 | 1.99 | 1.9 | 1.9 | 1.99 | 1.88 | 6,257 |
| September 21, 2026 | 1.87 | 1.87 | 1.87 | 1.9 | 1.84 | 20,517 |
| September 18, 2026 | 1.92 | 1.87 | 1.87 | 1.92 | 1.85 | 8,581 |
| September 17, 2026 | 2.08 | 1.92 | 1.92 | 2.15 | 1.88 | 23,237 |
| September 16, 2026 | 1.99 | 1.96 | 1.96 | 2.24 | 1.95 | 14,700 |
| September 15, 2026 | 1.95 | 1.97 | 1.97 | 2 | 1.95 | 1,647 |
| September 11, 2026 | 2 | 1.96 | 1.96 | 2.05 | 1.93 | 8,386 |
| September 10, 2026 | 2 | 2.02 | 2.02 | 2.05 | 2 | 4,632 |
| September 09, 2026 | 2.01 | 2 | 2 | 2.05 | 1.99 | 13,904 |
| September 08, 2026 | 2.13 | 1.98 | 1.98 | 2.19 | 1.98 | 11,636 |
| September 04, 2026 | 2.13 | 2.08 | 2.08 | 2.13 | 2.04 | 8,343 |
| September 03, 2026 | 2.1 | 2.12 | 2.12 | 2.19 | 2.1 | 24,217 |
| September 02, 2026 | 2.06 | 2.12 | 2.12 | 2.27 | 2.04 | 16,692 |
| September 01, 2026 | 2.12 | 2.07 | 2.07 | 2.12 | 2.05 | 1,254 |
| August 31, 2026 | 2.15 | 2.11 | 2.11 | 2.17 | 2.11 | 3,674 |
| August 28, 2026 | 2.3 | 2.16 | 2.16 | 2.3 | 2.16 | 4,126 |
| August 27, 2026 | 2.08 | 2.29 | 2.29 | 2.36 | 2.07 | 198,981 |
| August 26, 2026 | 2.15 | 2.17 | 2.17 | 2.19 | 2.15 | 4,402 |
| August 25, 2026 | 2.19 | 2.17 | 2.17 | 2.19 | 2.16 | 2,450 |
| August 24, 2026 | 2.18 | 2.16 | 2.16 | 2.31 | 2.03 | 10,860 |
| August 21, 2026 | 2.13 | 2.15 | 2.15 | 2.41 | 2.07 | 44,641 |
| August 20, 2026 | 2.14 | 2.07 | 2.07 | 2.42 | 2.07 | 8,950 |
| August 19, 2026 | 2.12 | 2.12 | 2.12 | 2.12 | 2.12 | 2,406 |
| August 18, 2026 | 2.11 | 2.04 | 2.04 | 2.11 | 2.04 | 3,344 |
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