Natural Alternatives International, Inc. (NAII)
NASDAQ: NAII · Real-Time Price · USD
2.810
+0.130 (4.85%)
Oct 9, 2025, 4:00 PM EDT - Market closed
NAII Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 9, 2025 | 2.67 | 2.68 | 2.67 | 2.68 | - | -0.19% | 1,996 |
| Oct 8, 2025 | 2.70 | 2.80 | 2.67 | 2.68 | 2.68 | -1.11% | 13,221 |
| Oct 7, 2025 | 2.83 | 2.88 | 2.70 | 2.71 | 2.71 | -1.81% | 23,253 |
| Oct 6, 2025 | 2.88 | 2.90 | 2.76 | 2.76 | 2.76 | -2.13% | 13,935 |
| Oct 3, 2025 | 2.90 | 2.92 | 2.78 | 2.82 | 2.82 | 2.55% | 16,207 |
| Oct 2, 2025 | 2.76 | 2.89 | 2.73 | 2.75 | 2.75 | -5.17% | 19,256 |
| Oct 1, 2025 | 2.77 | 2.91 | 2.76 | 2.90 | 2.90 | 1.61% | 10,271 |
| Sep 30, 2025 | 2.74 | 2.91 | 2.74 | 2.85 | 2.85 | -1.92% | 6,225 |
| Sep 29, 2025 | 2.93 | 2.93 | 2.76 | 2.91 | 2.91 | 1.04% | 3,167 |
| Sep 26, 2025 | 2.97 | 2.99 | 2.87 | 2.88 | 2.88 | -3.55% | 13,672 |
| Sep 25, 2025 | 2.98 | 2.99 | 2.93 | 2.99 | 2.99 | -2.10% | 6,689 |
| Sep 24, 2025 | 3.10 | 3.20 | 2.93 | 3.05 | 3.05 | -2.59% | 15,289 |
| Sep 23, 2025 | 3.30 | 3.30 | 2.97 | 3.13 | 3.13 | 3.33% | 2,385 |
| Sep 22, 2025 | 3.15 | 3.15 | 3.00 | 3.03 | 3.03 | -2.88% | 1,747 |
| Sep 19, 2025 | 3.28 | 3.28 | 3.02 | 3.12 | 3.12 | -4.00% | 5,789 |
| Sep 18, 2025 | 3.04 | 3.38 | 3.01 | 3.25 | 3.25 | 7.97% | 6,994 |
| Sep 17, 2025 | 2.89 | 3.17 | 2.89 | 3.01 | 3.01 | -3.96% | 5,541 |
| Sep 16, 2025 | 3.21 | 3.21 | 3.11 | 3.13 | 3.13 | -2.97% | 4,903 |
| Sep 15, 2025 | 3.45 | 3.45 | 3.22 | 3.23 | 3.23 | -7.71% | 6,451 |
| Sep 12, 2025 | 3.55 | 3.58 | 3.44 | 3.50 | 3.50 | -2.51% | 2,276 |
| Sep 11, 2025 | 3.36 | 3.87 | 3.36 | 3.59 | 3.59 | 6.53% | 12,150 |
| Sep 10, 2025 | 3.32 | 3.40 | 3.32 | 3.37 | 3.37 | 2.74% | 5,615 |
| Sep 9, 2025 | 3.40 | 3.40 | 3.28 | 3.28 | 3.28 | -3.81% | 4,286 |
| Sep 8, 2025 | 3.83 | 3.83 | 3.40 | 3.41 | 3.41 | -5.28% | 21,585 |
| Sep 5, 2025 | 3.93 | 3.93 | 3.60 | 3.60 | 3.60 | -5.51% | 5,033 |
| Sep 4, 2025 | 3.74 | 3.81 | 3.74 | 3.81 | 3.81 | 4.96% | 1,536 |
| Sep 3, 2025 | 3.63 | 3.63 | 3.63 | 3.63 | 3.63 | - | 522 |
| Sep 2, 2025 | 3.63 | 3.63 | 3.63 | 3.63 | 3.63 | -2.68% | 815 |
| Aug 29, 2025 | 3.73 | 3.73 | 3.73 | 3.73 | 3.73 | - | 290 |
| Aug 28, 2025 | 3.61 | 3.78 | 3.61 | 3.73 | 3.73 | 4.19% | 3,252 |
| Aug 27, 2025 | 3.74 | 3.85 | 3.58 | 3.58 | 3.58 | -2.45% | 8,515 |
| Aug 26, 2025 | 3.93 | 3.93 | 3.67 | 3.67 | 3.67 | -6.97% | 21,349 |
| Aug 25, 2025 | 3.90 | 3.98 | 3.90 | 3.95 | 3.95 | -0.88% | 12,869 |
| Aug 22, 2025 | 4.03 | 4.03 | 3.96 | 3.98 | 3.98 | 0.40% | 1,379 |
| Aug 21, 2025 | 3.86 | 3.96 | 3.86 | 3.96 | 3.96 | -0.90% | 1,528 |
| Aug 20, 2025 | 3.85 | 4.00 | 3.85 | 4.00 | 4.00 | 3.90% | 8,072 |
| Aug 19, 2025 | 3.85 | 3.87 | 3.85 | 3.85 | 3.85 | -0.26% | 955 |
| Aug 18, 2025 | 3.85 | 3.88 | 3.85 | 3.86 | 3.86 | 0.52% | 2,363 |
| Aug 15, 2025 | 3.85 | 3.87 | 3.80 | 3.84 | 3.84 | 1.86% | 5,915 |
| Aug 14, 2025 | 3.77 | 3.77 | 3.77 | 3.77 | 3.77 | - | 279 |
| Aug 13, 2025 | 3.79 | 3.90 | 3.77 | 3.77 | 3.77 | -1.31% | 3,411 |
| Aug 12, 2025 | 3.73 | 3.82 | 3.73 | 3.82 | 3.82 | 3.24% | 461 |
| Aug 11, 2025 | 3.62 | 3.83 | 3.62 | 3.70 | 3.70 | -0.11% | 8,985 |
| Aug 8, 2025 | 3.65 | 3.70 | 3.64 | 3.70 | 3.70 | 0.11% | 1,992 |
| Aug 7, 2025 | 3.77 | 3.77 | 3.70 | 3.70 | 3.70 | 1.09% | 820 |
| Aug 6, 2025 | 3.73 | 3.77 | 3.66 | 3.66 | 3.66 | - | 1,543 |
| Aug 5, 2025 | 3.61 | 3.68 | 3.61 | 3.66 | 3.66 | 0.27% | 2,393 |
| Aug 4, 2025 | 3.61 | 3.73 | 3.61 | 3.65 | 3.65 | 1.11% | 2,623 |
| Aug 1, 2025 | 3.62 | 3.62 | 3.61 | 3.61 | 3.61 | -0.55% | 484 |
| Jul 31, 2025 | 3.69 | 3.80 | 3.63 | 3.63 | 3.63 | - | 1,492 |