NovaBay Pharmaceuticals, Inc. (NBY)
NYSEAMERICAN: NBY · Real-Time Price · USD
3.730
-0.490 (-11.61%)
At close: Sep 5, 2025, 4:00 PM
3.690
-0.040 (-1.07%)
After-hours: Sep 5, 2025, 8:00 PM EDT
NovaBay Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 5, 2025 | 3.74 | 3.96 | 3.16 | 3.73 | 3.73 | -11.61% | 9,443,171 |
| Sep 4, 2025 | 2.77 | 4.44 | 2.77 | 4.22 | 4.22 | 57.46% | 20,012,633 |
| Sep 3, 2025 | 2.50 | 2.71 | 2.33 | 2.68 | 2.68 | 17.54% | 5,419,694 |
| Sep 2, 2025 | 1.82 | 2.54 | 1.81 | 2.28 | 2.28 | 28.09% | 6,594,877 |
| Aug 29, 2025 | 1.75 | 2.13 | 1.65 | 1.78 | 1.78 | 7.88% | 8,391,706 |
| Aug 28, 2025 | 1.50 | 1.71 | 1.45 | 1.65 | 1.65 | 6.45% | 5,825,083 |
| Aug 27, 2025 | 1.82 | 1.90 | 1.50 | 1.55 | 1.55 | 72.42% | 141,478,166 |
| Aug 26, 2025 | 0.91 | 0.93 | 0.87 | 0.90 | 0.90 | -0.83% | 24,058,368 |
| Aug 25, 2025 | 0.90 | 0.98 | 0.90 | 0.91 | 0.91 | -0.40% | 792,837 |
| Aug 22, 2025 | 1.01 | 1.10 | 0.91 | 0.91 | 0.91 | -14.94% | 1,696,371 |
| Aug 21, 2025 | 0.95 | 1.07 | 0.88 | 1.07 | 1.07 | 3.88% | 5,128,059 |
| Aug 20, 2025 | 1.09 | 1.25 | 0.93 | 1.03 | 1.03 | 71.67% | 178,342,154 |
| Aug 19, 2025 | 0.62 | 0.62 | 0.60 | 0.60 | 0.60 | -3.68% | 7,830,757 |
| Aug 18, 2025 | 0.62 | 0.65 | 0.59 | 0.62 | 0.62 | 0.87% | 15,566 |
| Aug 15, 2025 | 0.58 | 0.62 | 0.54 | 0.62 | 0.62 | 2.10% | 212,919 |
| Aug 14, 2025 | 0.58 | 0.60 | 0.58 | 0.60 | 0.60 | 2.51% | 26,092 |
| Aug 13, 2025 | 0.59 | 0.61 | 0.58 | 0.59 | 0.59 | 0.89% | 23,970 |
| Aug 12, 2025 | 0.60 | 0.62 | 0.58 | 0.58 | 0.58 | -2.70% | 49,052 |
| Aug 11, 2025 | 0.70 | 0.70 | 0.59 | 0.60 | 0.60 | 1.43% | 29,820 |
| Aug 8, 2025 | 0.60 | 0.62 | 0.57 | 0.59 | 0.59 | 1.84% | 29,818 |
| Aug 7, 2025 | 0.59 | 0.59 | 0.58 | 0.58 | 0.58 | -1.53% | 10,954 |
| Aug 6, 2025 | 0.60 | 0.60 | 0.59 | 0.59 | 0.59 | -3.30% | 38,817 |
| Aug 5, 2025 | 0.61 | 0.62 | 0.61 | 0.61 | 0.61 | 0.16% | 81,650 |
| Aug 4, 2025 | 0.60 | 0.62 | 0.59 | 0.61 | 0.61 | 2.78% | 52,752 |
| Aug 1, 2025 | 0.60 | 0.62 | 0.57 | 0.59 | 0.59 | 2.15% | 30,886 |
| Jul 31, 2025 | 0.61 | 0.62 | 0.57 | 0.58 | 0.58 | -6.29% | 24,320 |
| Jul 30, 2025 | 0.63 | 0.65 | 0.60 | 0.62 | 0.62 | -1.90% | 27,292 |
| Jul 29, 2025 | 0.64 | 0.65 | 0.63 | 0.63 | 0.63 | -1.81% | 27,258 |
| Jul 28, 2025 | 0.66 | 0.67 | 0.64 | 0.64 | 0.64 | -4.28% | 27,595 |
| Jul 25, 2025 | 0.66 | 0.69 | 0.65 | 0.67 | 0.67 | 3.23% | 118,091 |
| Jul 24, 2025 | 0.64 | 0.69 | 0.64 | 0.65 | 0.65 | -0.63% | 40,837 |
| Jul 23, 2025 | 0.64 | 0.66 | 0.63 | 0.66 | 0.66 | 2.25% | 6,919 |
| Jul 22, 2025 | 0.66 | 0.68 | 0.64 | 0.64 | 0.64 | -1.75% | 10,977 |
| Jul 21, 2025 | 0.64 | 0.66 | 0.64 | 0.65 | 0.65 | -1.58% | 19,562 |
| Jul 18, 2025 | 0.70 | 0.70 | 0.65 | 0.66 | 0.66 | 2.00% | 15,748 |
| Jul 17, 2025 | 0.69 | 0.69 | 0.65 | 0.65 | 0.65 | 0.65% | 34,839 |
| Jul 16, 2025 | 0.67 | 0.67 | 0.62 | 0.65 | 0.65 | -3.61% | 23,670 |
| Jul 15, 2025 | 0.68 | 0.69 | 0.67 | 0.67 | 0.67 | -2.90% | 21,737 |
| Jul 14, 2025 | 0.69 | 0.75 | 0.62 | 0.69 | 0.69 | -0.29% | 196,232 |
| Jul 11, 2025 | 0.65 | 0.70 | 0.61 | 0.69 | 0.69 | 6.51% | 91,014 |
| Jul 10, 2025 | 0.61 | 0.65 | 0.61 | 0.65 | 0.65 | 0.05% | 13,186 |
| Jul 9, 2025 | 0.69 | 0.69 | 0.60 | 0.65 | 0.65 | -1.96% | 42,059 |
| Jul 8, 2025 | 0.66 | 0.69 | 0.63 | 0.66 | 0.66 | -0.08% | 37,222 |
| Jul 7, 2025 | 0.65 | 0.70 | 0.63 | 0.66 | 0.66 | 5.39% | 61,029 |
| Jul 3, 2025 | 0.63 | 0.64 | 0.60 | 0.63 | 0.63 | 0.62% | 8,792 |
| Jul 2, 2025 | 0.62 | 0.63 | 0.61 | 0.63 | 0.63 | 2.64% | 9,962 |
| Jul 1, 2025 | 0.59 | 0.62 | 0.59 | 0.61 | 0.61 | 5.00% | 23,129 |
| Jun 30, 2025 | 0.61 | 0.61 | 0.58 | 0.58 | 0.58 | -4.26% | 16,902 |
| Jun 27, 2025 | 0.60 | 0.61 | 0.60 | 0.61 | 0.61 | 0.97% | 31,401 |
| Jun 26, 2025 | 0.58 | 0.60 | 0.58 | 0.60 | 0.60 | 4.60% | 8,849 |