Natural Alternatives International, Inc. (NAII)
NASDAQ: NAII · Real-Time Price · USD
2.818
+0.088 (3.22%)
At close: Mar 9, 2026, 4:00 PM EDT
2.810
-0.008 (-0.28%)
After-hours: Mar 9, 2026, 4:00 PM EDT
NAII Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 9, 2026 | 2.72 | 2.82 | 2.65 | 2.81 | 2.81 | 2.93% | 25,623 |
| Mar 6, 2026 | 2.73 | 2.80 | 2.70 | 2.73 | 2.73 | -0.73% | 18,370 |
| Mar 5, 2026 | 2.77 | 2.78 | 2.75 | 2.75 | 2.75 | -0.72% | 3,964 |
| Mar 4, 2026 | 2.67 | 2.80 | 2.65 | 2.77 | 2.77 | 5.73% | 21,826 |
| Mar 3, 2026 | 2.67 | 2.74 | 2.61 | 2.62 | 2.62 | -3.32% | 5,344 |
| Mar 2, 2026 | 2.71 | 2.80 | 2.70 | 2.71 | 2.71 | - | 12,707 |
| Feb 27, 2026 | 2.81 | 2.85 | 2.71 | 2.71 | 2.71 | -1.81% | 4,707 |
| Feb 26, 2026 | 2.86 | 2.93 | 2.76 | 2.76 | 2.76 | -4.50% | 7,357 |
| Feb 25, 2026 | 2.80 | 2.89 | 2.73 | 2.89 | 2.89 | 5.09% | 48,407 |
| Feb 24, 2026 | 2.70 | 2.79 | 2.68 | 2.75 | 2.75 | 1.85% | 15,167 |
| Feb 23, 2026 | 2.69 | 2.76 | 2.66 | 2.70 | 2.70 | 2.66% | 21,031 |
| Feb 20, 2026 | 2.65 | 2.70 | 2.63 | 2.63 | 2.63 | -0.38% | 16,786 |
| Feb 19, 2026 | 2.60 | 2.68 | 2.42 | 2.64 | 2.64 | 1.54% | 39,257 |
| Feb 18, 2026 | 2.50 | 2.61 | 2.41 | 2.60 | 2.60 | 1.76% | 13,564 |
| Feb 17, 2026 | 2.82 | 2.82 | 2.33 | 2.56 | 2.56 | -26.79% | 103,359 |
| Feb 13, 2026 | 3.50 | 3.50 | 3.44 | 3.49 | 3.49 | 2.05% | 5,921 |
| Feb 12, 2026 | 3.44 | 3.47 | 3.32 | 3.42 | 3.42 | - | 7,147 |
| Feb 11, 2026 | 3.41 | 3.50 | 3.36 | 3.42 | 3.42 | 3.01% | 10,196 |
| Feb 10, 2026 | 3.29 | 3.50 | 3.27 | 3.32 | 3.32 | 0.61% | 16,692 |
| Feb 9, 2026 | 3.28 | 3.47 | 3.26 | 3.30 | 3.30 | 2.80% | 6,766 |
| Feb 6, 2026 | 3.18 | 3.69 | 3.08 | 3.21 | 3.21 | 3.22% | 64,453 |
| Feb 5, 2026 | 3.59 | 3.81 | 3.07 | 3.11 | 3.11 | -15.72% | 73,547 |
| Feb 4, 2026 | 3.76 | 3.91 | 3.51 | 3.69 | 3.69 | -3.15% | 25,984 |
| Feb 3, 2026 | 3.81 | 3.93 | 3.50 | 3.81 | 3.81 | -4.27% | 10,991 |
| Feb 2, 2026 | 4.04 | 4.10 | 3.85 | 3.98 | 3.98 | -2.93% | 4,263 |
| Jan 30, 2026 | 3.85 | 4.22 | 3.85 | 4.10 | 4.10 | 0.24% | 3,467 |
| Jan 29, 2026 | 3.91 | 4.09 | 3.90 | 4.09 | 4.09 | 1.24% | 5,314 |
| Jan 28, 2026 | 3.70 | 4.05 | 3.65 | 4.04 | 4.04 | 2.28% | 9,500 |
| Jan 27, 2026 | 4.05 | 4.21 | 3.95 | 3.95 | 3.95 | -3.66% | 3,162 |
| Jan 26, 2026 | 4.30 | 4.52 | 4.10 | 4.10 | 4.10 | -1.20% | 3,937 |
| Jan 23, 2026 | 4.24 | 4.33 | 3.98 | 4.15 | 4.15 | -3.94% | 14,886 |
| Jan 22, 2026 | 4.49 | 4.49 | 4.31 | 4.32 | 4.32 | -1.59% | 18,404 |
| Jan 21, 2026 | 4.60 | 4.61 | 4.25 | 4.39 | 4.39 | -9.11% | 24,311 |
| Jan 20, 2026 | 4.61 | 4.83 | 4.54 | 4.83 | 4.83 | 2.88% | 1,178 |
| Jan 16, 2026 | 4.60 | 4.77 | 4.60 | 4.70 | 4.70 | 1.19% | 6,120 |
| Jan 15, 2026 | 4.80 | 4.80 | 4.63 | 4.64 | 4.64 | -2.32% | 11,146 |
| Jan 14, 2026 | 4.73 | 4.77 | 4.49 | 4.75 | 4.75 | 4.63% | 4,322 |
| Jan 13, 2026 | 4.82 | 4.96 | 4.53 | 4.54 | 4.54 | -3.61% | 28,065 |
| Jan 12, 2026 | 4.54 | 4.87 | 4.45 | 4.71 | 4.71 | 3.29% | 41,100 |
| Jan 9, 2026 | 4.36 | 4.56 | 4.32 | 4.56 | 4.56 | 5.07% | 12,356 |
| Jan 8, 2026 | 3.93 | 4.44 | 3.87 | 4.34 | 4.34 | 10.43% | 39,789 |
| Jan 7, 2026 | 3.75 | 3.97 | 3.72 | 3.93 | 3.93 | 5.93% | 17,725 |
| Jan 6, 2026 | 3.72 | 3.77 | 3.68 | 3.71 | 3.71 | 0.27% | 17,417 |
| Jan 5, 2026 | 3.54 | 3.74 | 3.54 | 3.70 | 3.70 | 3.06% | 4,699 |
| Jan 2, 2026 | 3.58 | 3.59 | 3.52 | 3.59 | 3.59 | 0.28% | 3,501 |
| Dec 31, 2025 | 3.50 | 3.58 | 3.47 | 3.58 | 3.58 | 1.70% | 13,524 |
| Dec 30, 2025 | 3.39 | 3.55 | 3.38 | 3.52 | 3.52 | 2.47% | 12,849 |
| Dec 29, 2025 | 3.38 | 3.55 | 3.35 | 3.44 | 3.44 | 0.44% | 24,954 |
| Dec 26, 2025 | 3.20 | 3.42 | 3.20 | 3.42 | 3.42 | 6.54% | 16,141 |
| Dec 24, 2025 | 3.25 | 3.46 | 3.15 | 3.21 | 3.21 | 1.26% | 1,701 |
| Dec 23, 2025 | 3.21 | 3.21 | 3.14 | 3.17 | 3.17 | 0.63% | 30,540 |
| Dec 22, 2025 | 3.25 | 3.25 | 3.15 | 3.15 | 3.15 | -1.87% | 8,036 |
| Dec 19, 2025 | 3.19 | 3.25 | 3.18 | 3.21 | 3.21 | 1.90% | 8,697 |
| Dec 18, 2025 | 3.14 | 3.19 | 3.14 | 3.15 | 3.15 | 0.32% | 26,152 |
| Dec 17, 2025 | 3.14 | 3.19 | 3.12 | 3.14 | 3.14 | -1.57% | 20,078 |
| Dec 16, 2025 | 3.11 | 3.24 | 3.11 | 3.19 | 3.19 | -0.31% | 11,100 |
| Dec 15, 2025 | 3.18 | 3.34 | 3.14 | 3.20 | 3.20 | 1.59% | 22,191 |
| Dec 12, 2025 | 3.21 | 3.26 | 3.15 | 3.15 | 3.15 | -2.78% | 5,465 |
| Dec 11, 2025 | 3.22 | 3.35 | 3.21 | 3.24 | 3.24 | -1.82% | 14,912 |
| Dec 10, 2025 | 3.35 | 3.35 | 3.16 | 3.30 | 3.30 | 5.77% | 39,753 |
| Dec 9, 2025 | 3.17 | 3.34 | 3.06 | 3.12 | 3.12 | -2.50% | 23,593 |
| Dec 8, 2025 | 3.40 | 3.40 | 3.16 | 3.20 | 3.20 | -7.78% | 41,554 |
| Dec 5, 2025 | 3.46 | 3.47 | 3.26 | 3.47 | 3.47 | 0.58% | 13,437 |
| Dec 4, 2025 | 3.50 | 3.50 | 3.45 | 3.45 | 3.45 | -1.15% | 994 |
| Dec 3, 2025 | 3.56 | 3.56 | 3.46 | 3.49 | 3.49 | -1.69% | 16,035 |
| Dec 2, 2025 | 3.50 | 3.68 | 3.42 | 3.55 | 3.55 | 1.43% | 12,414 |
| Dec 1, 2025 | 3.61 | 3.66 | 3.50 | 3.50 | 3.50 | -3.45% | 8,465 |
| Nov 28, 2025 | 3.56 | 3.70 | 3.56 | 3.63 | 3.63 | 1.83% | 2,819 |
| Nov 26, 2025 | 3.45 | 3.67 | 3.45 | 3.56 | 3.56 | -2.20% | 13,688 |
| Nov 25, 2025 | 3.58 | 3.70 | 3.51 | 3.64 | 3.64 | -1.09% | 26,503 |
| Nov 24, 2025 | 3.21 | 3.69 | 3.14 | 3.68 | 3.68 | 15.36% | 57,291 |
| Nov 21, 2025 | 3.13 | 3.28 | 3.08 | 3.19 | 3.19 | 2.90% | 40,194 |
| Nov 20, 2025 | 3.10 | 3.14 | 2.98 | 3.10 | 3.10 | 1.64% | 17,972 |
| Nov 19, 2025 | 3.00 | 3.09 | 2.98 | 3.05 | 3.05 | -0.33% | 13,033 |
| Nov 18, 2025 | 2.91 | 3.13 | 2.91 | 3.06 | 3.06 | 3.38% | 22,685 |
| Nov 17, 2025 | 3.13 | 3.16 | 2.93 | 2.96 | 2.96 | -6.62% | 42,979 |
| Nov 14, 2025 | 3.30 | 3.31 | 3.07 | 3.17 | 3.17 | -5.65% | 83,468 |
| Nov 13, 2025 | 3.19 | 3.39 | 3.15 | 3.36 | 3.36 | 19.57% | 66,134 |
| Nov 12, 2025 | 2.97 | 3.05 | 2.77 | 2.81 | 2.81 | -1.75% | 54,132 |
| Nov 11, 2025 | 2.90 | 3.01 | 2.80 | 2.86 | 2.86 | 1.42% | 31,690 |
| Nov 10, 2025 | 2.92 | 3.05 | 2.82 | 2.82 | 2.82 | -4.57% | 27,814 |
| Nov 7, 2025 | 2.88 | 3.15 | 2.76 | 2.96 | 2.96 | 1.55% | 59,208 |
| Nov 6, 2025 | 2.95 | 3.03 | 2.90 | 2.91 | 2.91 | -2.35% | 22,508 |
| Nov 5, 2025 | 2.76 | 3.04 | 2.76 | 2.98 | 2.98 | 9.16% | 43,476 |
| Nov 4, 2025 | 2.70 | 2.91 | 2.70 | 2.73 | 2.73 | - | 33,330 |
| Nov 3, 2025 | 2.74 | 2.82 | 2.71 | 2.73 | 2.73 | 0.18% | 23,307 |
| Oct 31, 2025 | 2.74 | 2.74 | 2.69 | 2.73 | 2.73 | -0.18% | 10,906 |
| Oct 30, 2025 | 2.95 | 2.95 | 2.71 | 2.73 | 2.73 | -2.85% | 25,362 |
| Oct 29, 2025 | 2.86 | 3.00 | 2.77 | 2.81 | 2.81 | -1.75% | 52,565 |
| Oct 28, 2025 | 2.77 | 2.90 | 2.72 | 2.86 | 2.86 | 2.88% | 10,929 |
| Oct 27, 2025 | 2.86 | 2.94 | 2.70 | 2.78 | 2.78 | 2.02% | 47,607 |
| Oct 24, 2025 | 2.68 | 3.08 | 2.66 | 2.73 | 2.73 | 1.30% | 166,474 |
| Oct 23, 2025 | 2.69 | 2.69 | 2.62 | 2.69 | 2.69 | 1.89% | 14,349 |
| Oct 22, 2025 | 2.67 | 2.67 | 2.59 | 2.64 | 2.64 | 0.38% | 8,317 |
| Oct 21, 2025 | 2.68 | 2.88 | 2.61 | 2.63 | 2.63 | -2.45% | 33,825 |
| Oct 20, 2025 | 2.62 | 2.74 | 2.60 | 2.70 | 2.70 | 2.70% | 16,631 |
| Oct 17, 2025 | 2.67 | 2.68 | 2.60 | 2.63 | 2.63 | -2.42% | 24,426 |
| Oct 16, 2025 | 2.69 | 2.77 | 2.61 | 2.69 | 2.69 | -2.18% | 17,858 |
| Oct 15, 2025 | 2.68 | 2.79 | 2.64 | 2.75 | 2.75 | 3.38% | 15,951 |
| Oct 14, 2025 | 2.72 | 2.77 | 2.65 | 2.66 | 2.66 | -2.21% | 3,910 |