BioLargo, Inc. (BLGO)
OTCMKTS · Delayed Price · Currency is USD
0.1100
0.00 (0.00%)
At close: Jun 18, 2026
BioLargo Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 18, 2026 | 0.11 | 0.11 | 0.11 | 0.11 | 0.11 | - | 243,850 |
| Jun 17, 2026 | 0.12 | 0.12 | 0.11 | 0.11 | 0.11 | -5.98% | 305,264 |
| Jun 16, 2026 | 0.12 | 0.12 | 0.11 | 0.12 | 0.12 | 2.42% | 464,863 |
| Jun 15, 2026 | 0.12 | 0.12 | 0.11 | 0.11 | 0.11 | -4.80% | 249,096 |
| Jun 12, 2026 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | -3.16% | 202,075 |
| Jun 11, 2026 | 0.11 | 0.13 | 0.11 | 0.12 | 0.12 | -6.83% | 117,769 |
| Jun 10, 2026 | 0.14 | 0.14 | 0.12 | 0.13 | 0.13 | -5.00% | 161,940 |
| Jun 9, 2026 | 0.14 | 0.15 | 0.13 | 0.14 | 0.14 | -6.35% | 496,356 |
| Jun 8, 2026 | 0.12 | 0.15 | 0.12 | 0.15 | 0.15 | 24.58% | 2,358,635 |
| Jun 5, 2026 | 0.11 | 0.12 | 0.11 | 0.12 | 0.12 | 5.01% | 208,205 |
| Jun 4, 2026 | 0.11 | 0.12 | 0.11 | 0.11 | 0.11 | -3.61% | 218,991 |
| Jun 3, 2026 | 0.10 | 0.12 | 0.10 | 0.12 | 0.12 | 17.98% | 1,095,425 |
| Jun 2, 2026 | 0.12 | 0.13 | 0.10 | 0.10 | 0.10 | -17.83% | 3,910,511 |
| Jun 1, 2026 | 0.13 | 0.13 | 0.12 | 0.12 | 0.12 | -5.85% | 336,833 |
| May 29, 2026 | 0.13 | 0.13 | 0.12 | 0.13 | 0.13 | -4.36% | 517,124 |
| May 28, 2026 | 0.13 | 0.14 | 0.12 | 0.14 | 0.14 | 5.29% | 268,103 |
| May 27, 2026 | 0.13 | 0.14 | 0.12 | 0.13 | 0.13 | -7.66% | 199,961 |
| May 26, 2026 | 0.15 | 0.15 | 0.12 | 0.14 | 0.14 | -6.22% | 509,492 |
| May 22, 2026 | 0.15 | 0.15 | 0.14 | 0.15 | 0.15 | 6.40% | 345,413 |
| May 21, 2026 | 0.11 | 0.15 | 0.11 | 0.14 | 0.14 | 22.81% | 1,277,976 |
| May 20, 2026 | 0.12 | 0.12 | 0.11 | 0.11 | 0.11 | 3.35% | 490,666 |
| May 19, 2026 | 0.11 | 0.12 | 0.11 | 0.11 | 0.11 | -8.08% | 1,324,776 |
| May 18, 2026 | 0.13 | 0.13 | 0.11 | 0.12 | 0.12 | -9.52% | 675,118 |
| May 15, 2026 | 0.13 | 0.13 | 0.13 | 0.13 | 0.13 | -0.34% | 147,255 |
| May 14, 2026 | 0.13 | 0.14 | 0.13 | 0.13 | 0.13 | -1.26% | 239,430 |
| May 13, 2026 | 0.14 | 0.14 | 0.13 | 0.13 | 0.13 | -3.73% | 680,742 |
| May 12, 2026 | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 | - | 254,358 |
| May 11, 2026 | 0.15 | 0.15 | 0.13 | 0.14 | 0.14 | -6.67% | 1,714,986 |
| May 8, 2026 | 0.16 | 0.16 | 0.15 | 0.15 | 0.15 | -3.57% | 199,051 |
| May 7, 2026 | 0.16 | 0.16 | 0.15 | 0.16 | 0.16 | 0.55% | 182,515 |
| May 6, 2026 | 0.16 | 0.16 | 0.15 | 0.15 | 0.15 | -0.60% | 420,931 |
| May 5, 2026 | 0.16 | 0.16 | 0.15 | 0.16 | 0.16 | -0.79% | 151,715 |
| May 4, 2026 | 0.15 | 0.16 | 0.15 | 0.16 | 0.16 | 2.73% | 406,267 |
| May 1, 2026 | 0.15 | 0.16 | 0.15 | 0.15 | 0.15 | 1.06% | 88,799 |
| Apr 30, 2026 | 0.15 | 0.16 | 0.15 | 0.15 | 0.15 | 1.55% | 593,015 |
| Apr 29, 2026 | 0.16 | 0.16 | 0.15 | 0.15 | 0.15 | -4.00% | 108,560 |
| Apr 28, 2026 | 0.15 | 0.16 | 0.15 | 0.16 | 0.16 | 0.94% | 120,384 |
| Apr 27, 2026 | 0.15 | 0.16 | 0.15 | 0.15 | 0.15 | 1.25% | 207,860 |
| Apr 24, 2026 | 0.14 | 0.15 | 0.14 | 0.15 | 0.15 | 1.10% | 151,994 |
| Apr 23, 2026 | 0.14 | 0.16 | 0.14 | 0.15 | 0.15 | -0.87% | 188,962 |
| Apr 22, 2026 | 0.15 | 0.16 | 0.14 | 0.15 | 0.15 | 3.64% | 245,555 |
| 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 | 0.01% | 64,997 |
| Apr 16, 2026 | 0.15 | 0.15 | 0.14 | 0.15 | 0.15 | -1.29% | 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 | -3.74% | 554,654 |
| Apr 9, 2026 | 0.15 | 0.15 | 0.14 | 0.15 | 0.15 | -0.06% | 101,026 |