Natural Alternatives International, Inc. (NAII)
NASDAQ: NAII · Real-Time Price · USD
2.640
+0.010 (0.38%)
At close: May 28, 2026, 4:00 PM EDT
2.640
0.00 (0.00%)
After-hours: May 28, 2026, 4:00 PM EDT
NAII Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 27, 2026 | 2.64 | 2.75 | 2.52 | 2.63 | 2.63 | 3.14% | 16,201 |
| May 26, 2026 | 2.56 | 2.65 | 2.47 | 2.55 | 2.55 | - | 27,782 |
| May 22, 2026 | 2.56 | 2.59 | 2.51 | 2.55 | 2.55 | -0.78% | 15,996 |
| May 21, 2026 | 2.55 | 2.63 | 2.55 | 2.57 | 2.57 | -0.77% | 9,459 |
| May 20, 2026 | 2.50 | 2.60 | 2.50 | 2.59 | 2.59 | 1.17% | 10,040 |
| May 19, 2026 | 2.50 | 2.59 | 2.42 | 2.56 | 2.56 | -1.16% | 45,443 |
| May 18, 2026 | 2.70 | 2.77 | 2.59 | 2.59 | 2.59 | -2.63% | 15,026 |
| May 15, 2026 | 2.66 | 2.68 | 2.60 | 2.66 | 2.66 | -1.48% | 7,439 |
| May 14, 2026 | 2.70 | 2.83 | 2.69 | 2.70 | 2.70 | -0.37% | 12,603 |
| May 13, 2026 | 2.75 | 2.75 | 2.70 | 2.71 | 2.71 | - | 13,694 |
| May 12, 2026 | 2.75 | 2.82 | 2.68 | 2.71 | 2.71 | 1.50% | 9,276 |
| May 11, 2026 | 2.70 | 2.75 | 2.66 | 2.67 | 2.67 | - | 11,970 |
| May 8, 2026 | 2.75 | 2.80 | 2.67 | 2.67 | 2.67 | -2.55% | 4,648 |
| May 7, 2026 | 2.75 | 2.75 | 2.69 | 2.74 | 2.74 | 0.74% | 5,228 |
| May 6, 2026 | 2.70 | 2.75 | 2.65 | 2.72 | 2.72 | 4.21% | 9,942 |
| May 5, 2026 | 2.64 | 2.71 | 2.58 | 2.61 | 2.61 | -2.25% | 45,844 |
| May 4, 2026 | 2.70 | 2.76 | 2.66 | 2.67 | 2.67 | -1.84% | 18,481 |
| May 1, 2026 | 2.74 | 2.74 | 2.68 | 2.72 | 2.72 | 1.87% | 7,846 |
| Apr 30, 2026 | 2.72 | 2.72 | 2.65 | 2.67 | 2.67 | - | 22,971 |
| Apr 29, 2026 | 2.70 | 2.78 | 2.67 | 2.67 | 2.67 | -0.37% | 6,328 |
| Apr 28, 2026 | 2.80 | 2.83 | 2.68 | 2.68 | 2.68 | -1.11% | 17,549 |
| Apr 27, 2026 | 2.76 | 2.82 | 2.71 | 2.71 | 2.71 | 1.31% | 61,486 |
| Apr 24, 2026 | 2.84 | 2.84 | 2.65 | 2.68 | 2.68 | -3.08% | 13,167 |
| Apr 23, 2026 | 2.83 | 2.83 | 2.70 | 2.76 | 2.76 | -1.43% | 39,809 |
| Apr 22, 2026 | 2.75 | 2.80 | 2.73 | 2.80 | 2.80 | 3.32% | 36,385 |
| Apr 21, 2026 | 2.75 | 2.85 | 2.68 | 2.71 | 2.71 | -1.81% | 6,126 |
| Apr 20, 2026 | 2.70 | 2.77 | 2.70 | 2.76 | 2.76 | 3.56% | 27,175 |
| Apr 17, 2026 | 2.71 | 2.78 | 2.66 | 2.67 | 2.67 | -0.93% | 5,417 |
| Apr 16, 2026 | 2.66 | 2.70 | 2.60 | 2.69 | 2.69 | - | 7,321 |
| Apr 15, 2026 | 2.81 | 2.81 | 2.65 | 2.69 | 2.69 | -2.18% | 10,058 |
| Apr 14, 2026 | 2.80 | 2.90 | 2.73 | 2.75 | 2.75 | 0.73% | 24,249 |
| Apr 13, 2026 | 2.93 | 2.93 | 2.70 | 2.73 | 2.73 | -3.66% | 33,336 |
| Apr 10, 2026 | 2.75 | 2.84 | 2.71 | 2.83 | 2.83 | 3.42% | 7,052 |
| Apr 9, 2026 | 2.81 | 2.81 | 2.67 | 2.74 | 2.74 | -2.14% | 3,628 |
| Apr 8, 2026 | 2.77 | 2.85 | 2.63 | 2.80 | 2.80 | 4.48% | 50,668 |
| Apr 7, 2026 | 2.75 | 2.75 | 2.59 | 2.68 | 2.68 | - | 36,161 |
| Apr 6, 2026 | 2.69 | 2.89 | 2.67 | 2.68 | 2.68 | - | 5,300 |
| Apr 2, 2026 | 2.68 | 2.73 | 2.64 | 2.68 | 2.68 | - | 13,168 |
| Apr 1, 2026 | 2.60 | 2.68 | 2.60 | 2.68 | 2.68 | 1.90% | 14,770 |
| Mar 31, 2026 | 2.60 | 2.70 | 2.60 | 2.63 | 2.63 | - | 18,576 |
| Mar 30, 2026 | 2.75 | 2.84 | 2.60 | 2.63 | 2.63 | -5.73% | 26,164 |
| Mar 27, 2026 | 2.69 | 2.87 | 2.65 | 2.79 | 2.79 | 2.20% | 27,533 |
| Mar 26, 2026 | 2.76 | 2.89 | 2.71 | 2.73 | 2.73 | -1.44% | 25,204 |
| Mar 25, 2026 | 2.71 | 3.11 | 2.58 | 2.77 | 2.77 | 2.59% | 59,506 |
| Mar 24, 2026 | 2.87 | 3.35 | 2.63 | 2.70 | 2.70 | -4.77% | 143,549 |
| Mar 23, 2026 | 2.62 | 2.84 | 2.56 | 2.84 | 2.84 | 10.75% | 65,484 |
| Mar 20, 2026 | 2.58 | 2.62 | 2.45 | 2.56 | 2.56 | -2.29% | 57,084 |
| Mar 19, 2026 | 2.62 | 2.71 | 2.56 | 2.62 | 2.62 | - | 50,797 |
| Mar 18, 2026 | 2.65 | 2.77 | 2.61 | 2.62 | 2.62 | -0.38% | 16,221 |
| Mar 17, 2026 | 2.70 | 2.70 | 2.63 | 2.63 | 2.63 | -0.75% | 9,457 |