BioLargo, Inc. (BLGO)
OTCMKTS · Delayed Price · Currency is USD
0.1460
-0.0040 (-2.67%)
At close: Apr 21, 2026
BioLargo Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 21, 2026 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | -2.67% | 211,226 |
| Apr 20, 2026 | 0.14 | 0.16 | 0.14 | 0.15 | 0.15 | 2.74% | 373,250 |
| Apr 17, 2026 | 0.15 | 0.15 | 0.14 | 0.15 | 0.15 | - | 64,997 |
| Apr 16, 2026 | 0.15 | 0.15 | 0.14 | 0.15 | 0.15 | -1.28% | 202,954 |
| Apr 15, 2026 | 0.15 | 0.15 | 0.14 | 0.15 | 0.15 | -5.86% | 266,079 |
| Apr 14, 2026 | 0.15 | 0.16 | 0.14 | 0.16 | 0.16 | 9.10% | 331,669 |
| Apr 13, 2026 | 0.14 | 0.15 | 0.14 | 0.14 | 0.14 | 0.14% | 130,855 |
| Apr 10, 2026 | 0.14 | 0.15 | 0.14 | 0.14 | 0.14 | -3.75% | 554,654 |
| Apr 9, 2026 | 0.15 | 0.15 | 0.14 | 0.15 | 0.15 | -0.07% | 101,026 |
| Apr 8, 2026 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | -5.26% | 479,907 |
| Apr 7, 2026 | 0.15 | 0.16 | 0.15 | 0.16 | 0.16 | 5.27% | 47,268 |
| Apr 6, 2026 | 0.16 | 0.16 | 0.15 | 0.15 | 0.15 | 0.27% | 317,112 |
| Apr 2, 2026 | 0.16 | 0.16 | 0.15 | 0.15 | 0.15 | -0.33% | 688,694 |
| Apr 1, 2026 | 0.16 | 0.16 | 0.15 | 0.15 | 0.15 | -7.41% | 556,208 |
| Mar 31, 2026 | 0.16 | 0.17 | 0.16 | 0.16 | 0.16 | -1.82% | 70,305 |
| Mar 30, 2026 | 0.16 | 0.17 | 0.16 | 0.17 | 0.17 | 0.79% | 54,367 |
| Mar 27, 2026 | 0.16 | 0.17 | 0.16 | 0.16 | 0.16 | -0.43% | 140,906 |
| Mar 26, 2026 | 0.17 | 0.17 | 0.16 | 0.16 | 0.16 | -0.06% | 188,103 |
| Mar 25, 2026 | 0.17 | 0.17 | 0.16 | 0.16 | 0.16 | -1.26% | 62,795 |
| Mar 24, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | 4.12% | 193,881 |
| Mar 23, 2026 | 0.16 | 0.17 | 0.15 | 0.16 | 0.16 | -3.90% | 198,211 |
| Mar 20, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | -1.60% | 200,880 |
| Mar 19, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | -0.47% | 71,029 |
| Mar 18, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | - | 80,052 |
| Mar 17, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | 0.53% | 48,699 |
| Mar 16, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | -0.24% | 89,369 |
| Mar 13, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | 0.06% | 4,614 |
| Mar 12, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | 0.30% | 23,675 |
| Mar 11, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | 2.49% | 175,073 |
| Mar 10, 2026 | 0.17 | 0.17 | 0.16 | 0.16 | 0.16 | -1.44% | 208,085 |
| Mar 9, 2026 | 0.16 | 0.17 | 0.16 | 0.17 | 0.17 | 0.66% | 50,651 |
| Mar 6, 2026 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | -2.01% | 96,023 |
| Mar 5, 2026 | 0.17 | 0.18 | 0.17 | 0.17 | 0.17 | -5.62% | 197,505 |
| Mar 4, 2026 | 0.18 | 0.18 | 0.17 | 0.18 | 0.18 | 1.35% | 82,177 |
| Mar 3, 2026 | 0.18 | 0.18 | 0.18 | 0.18 | 0.18 | -1.23% | 148,024 |
| Mar 2, 2026 | 0.17 | 0.18 | 0.17 | 0.18 | 0.18 | 0.50% | 283,033 |
| Feb 27, 2026 | 0.18 | 0.18 | 0.17 | 0.18 | 0.18 | -0.83% | 123,102 |
| Feb 26, 2026 | 0.17 | 0.18 | 0.17 | 0.18 | 0.18 | 0.11% | 452,977 |
| Feb 25, 2026 | 0.18 | 0.18 | 0.17 | 0.18 | 0.18 | 4.53% | 145,859 |
| Feb 24, 2026 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 3.24% | 224,915 |
| Feb 23, 2026 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | -1.77% | 137,524 |
| Feb 20, 2026 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | -2.97% | 422,430 |
| Feb 19, 2026 | 0.17 | 0.18 | 0.17 | 0.17 | 0.17 | 2.76% | 106,677 |
| Feb 18, 2026 | 0.16 | 0.18 | 0.16 | 0.17 | 0.17 | 3.09% | 373,176 |
| Feb 17, 2026 | 0.16 | 0.17 | 0.16 | 0.17 | 0.17 | -1.49% | 341,530 |
| Feb 13, 2026 | 0.17 | 0.18 | 0.17 | 0.17 | 0.17 | -1.47% | 227,845 |
| Feb 12, 2026 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.12% | 288,563 |
| Feb 11, 2026 | 0.17 | 0.18 | 0.16 | 0.17 | 0.17 | -2.86% | 365,184 |
| Feb 10, 2026 | 0.18 | 0.18 | 0.17 | 0.17 | 0.17 | -2.40% | 333,279 |
| Feb 9, 2026 | 0.17 | 0.18 | 0.17 | 0.18 | 0.18 | 1.76% | 515,517 |