BioLargo, Inc. (BLGO)
OTCMKTS · Delayed Price · Currency is USD
0.1536
-0.0164 (-9.65%)
Nov 14, 2025, 2:42 PM EST
BioLargo Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 14, 2025 | 0.17 | 0.17 | 0.15 | 0.16 | 0.16 | -7.87% | 540,247 |
| Nov 13, 2025 | 0.16 | 0.18 | 0.16 | 0.17 | 0.17 | 0.51% | 317,393 |
| Nov 12, 2025 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | -0.22% | 94,289 |
| Nov 11, 2025 | 0.18 | 0.18 | 0.16 | 0.17 | 0.17 | -3.20% | 200,333 |
| Nov 10, 2025 | 0.18 | 0.18 | 0.18 | 0.18 | 0.18 | -4.03% | 425,035 |
| Nov 7, 2025 | 0.17 | 0.19 | 0.16 | 0.18 | 0.18 | 11.18% | 1,333,814 |
| Nov 6, 2025 | 0.16 | 0.17 | 0.16 | 0.16 | 0.16 | 3.32% | 211,401 |
| Nov 5, 2025 | 0.16 | 0.16 | 0.16 | 0.16 | 0.16 | - | 83,897 |
| Nov 4, 2025 | 0.16 | 0.16 | 0.16 | 0.16 | 0.16 | 0.46% | 83,897 |
| Nov 3, 2025 | 0.16 | 0.16 | 0.16 | 0.16 | 0.16 | 1.02% | 312,200 |
| Oct 31, 2025 | 0.16 | 0.16 | 0.16 | 0.16 | 0.16 | -3.43% | 172,178 |
| Oct 30, 2025 | 0.16 | 0.17 | 0.16 | 0.16 | 0.16 | -1.84% | 227,642 |
| Oct 29, 2025 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | -0.60% | 450,121 |
| Oct 28, 2025 | 0.16 | 0.17 | 0.16 | 0.17 | 0.17 | 0.36% | 714,321 |
| Oct 27, 2025 | 0.16 | 0.17 | 0.16 | 0.17 | 0.17 | 0.28% | 240,225 |
| Oct 24, 2025 | 0.17 | 0.17 | 0.16 | 0.16 | 0.16 | 0.34% | 310,752 |
| Oct 23, 2025 | 0.17 | 0.17 | 0.16 | 0.16 | 0.16 | -1.39% | 94,554 |
| Oct 22, 2025 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | -4.32% | 206,546 |
| Oct 21, 2025 | 0.17 | 0.18 | 0.17 | 0.17 | 0.17 | -7.14% | 468,345 |
| Oct 20, 2025 | 0.17 | 0.19 | 0.16 | 0.19 | 0.19 | 13.71% | 1,368,053 |
| Oct 17, 2025 | 0.16 | 0.17 | 0.16 | 0.17 | 0.17 | 5.43% | 632,923 |
| Oct 16, 2025 | 0.16 | 0.17 | 0.16 | 0.16 | 0.16 | -6.51% | 429,628 |
| Oct 15, 2025 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | 0.12% | 404,027 |
| Oct 14, 2025 | 0.17 | 0.17 | 0.15 | 0.17 | 0.17 | -0.54% | 550,179 |
| Oct 13, 2025 | 0.16 | 0.17 | 0.16 | 0.17 | 0.17 | 5.13% | 381,291 |
| Oct 10, 2025 | 0.17 | 0.17 | 0.15 | 0.16 | 0.16 | -3.94% | 798,256 |
| Oct 9, 2025 | 0.16 | 0.17 | 0.15 | 0.17 | 0.17 | 3.62% | 808,235 |
| Oct 8, 2025 | 0.17 | 0.18 | 0.15 | 0.16 | 0.16 | -4.32% | 1,001,134 |
| Oct 7, 2025 | 0.17 | 0.18 | 0.16 | 0.17 | 0.17 | -0.37% | 448,852 |
| Oct 6, 2025 | 0.16 | 0.17 | 0.15 | 0.17 | 0.17 | 1.95% | 867,748 |
| Oct 3, 2025 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | -3.78% | 529,007 |
| Oct 2, 2025 | 0.17 | 0.18 | 0.17 | 0.17 | 0.17 | -1.49% | 409,961 |
| Oct 1, 2025 | 0.18 | 0.18 | 0.17 | 0.17 | 0.17 | 2.94% | 347,949 |
| Sep 30, 2025 | 0.18 | 0.18 | 0.16 | 0.17 | 0.17 | -5.35% | 241,667 |
| Sep 29, 2025 | 0.18 | 0.18 | 0.16 | 0.18 | 0.18 | -0.23% | 197,315 |
| Sep 26, 2025 | 0.16 | 0.18 | 0.16 | 0.18 | 0.18 | 9.07% | 288,653 |
| Sep 25, 2025 | 0.19 | 0.20 | 0.14 | 0.16 | 0.16 | -13.01% | 3,480,674 |
| Sep 24, 2025 | 0.19 | 0.20 | 0.18 | 0.19 | 0.19 | -1.36% | 596,795 |
| Sep 23, 2025 | 0.19 | 0.20 | 0.19 | 0.19 | 0.19 | -3.57% | 431,902 |
| Sep 22, 2025 | 0.20 | 0.20 | 0.19 | 0.20 | 0.20 | -1.54% | 424,049 |
| Sep 19, 2025 | 0.21 | 0.21 | 0.19 | 0.20 | 0.20 | -1.51% | 404,766 |
| Sep 18, 2025 | 0.21 | 0.22 | 0.20 | 0.21 | 0.21 | -5.32% | 390,420 |
| Sep 17, 2025 | 0.22 | 0.23 | 0.21 | 0.22 | 0.22 | -5.08% | 503,345 |
| Sep 16, 2025 | 0.22 | 0.23 | 0.21 | 0.23 | 0.23 | 1.56% | 671,010 |
| Sep 15, 2025 | 0.22 | 0.23 | 0.21 | 0.22 | 0.22 | 4.95% | 544,298 |
| Sep 12, 2025 | 0.23 | 0.23 | 0.21 | 0.21 | 0.21 | -6.96% | 154,809 |
| Sep 11, 2025 | 0.22 | 0.23 | 0.22 | 0.23 | 0.23 | 1.60% | 238,924 |
| Sep 10, 2025 | 0.21 | 0.23 | 0.21 | 0.23 | 0.23 | 8.09% | 193,069 |
| Sep 9, 2025 | 0.21 | 0.21 | 0.20 | 0.21 | 0.21 | -0.13% | 192,534 |
| Sep 8, 2025 | 0.21 | 0.22 | 0.21 | 0.21 | 0.21 | -4.25% | 536,905 |