BioLargo, Inc. (BLGO)
OTCMKTS · Delayed Price · Currency is USD
0.1821
+0.0069 (3.93%)
At close: Nov 28, 2025
BioLargo Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 28, 2025 | 0.18 | 0.19 | 0.17 | 0.18 | 0.18 | 3.94% | 186,188 |
| Nov 26, 2025 | 0.19 | 0.19 | 0.18 | 0.18 | 0.18 | -6.66% | 688,049 |
| Nov 25, 2025 | 0.16 | 0.19 | 0.16 | 0.19 | 0.19 | 14.17% | 1,046,447 |
| Nov 24, 2025 | 0.15 | 0.16 | 0.15 | 0.16 | 0.16 | 8.37% | 568,071 |
| Nov 21, 2025 | 0.15 | 0.16 | 0.15 | 0.15 | 0.15 | 1.13% | 775,758 |
| Nov 20, 2025 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | -2.60% | 218,039 |
| Nov 19, 2025 | 0.16 | 0.16 | 0.15 | 0.15 | 0.15 | 1.32% | 937,165 |
| Nov 18, 2025 | 0.16 | 0.17 | 0.15 | 0.15 | 0.15 | -2.94% | 1,356,407 |
| Nov 17, 2025 | 0.16 | 0.16 | 0.15 | 0.16 | 0.16 | 0.06% | 546,302 |
| Nov 14, 2025 | 0.17 | 0.17 | 0.15 | 0.16 | 0.16 | -7.89% | 540,247 |
| Nov 13, 2025 | 0.16 | 0.18 | 0.16 | 0.17 | 0.17 | 0.53% | 317,393 |
| Nov 12, 2025 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | -0.24% | 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 | -4.00% | 425,035 |
| Nov 7, 2025 | 0.17 | 0.19 | 0.16 | 0.18 | 0.18 | 11.16% | 1,333,814 |
| Nov 6, 2025 | 0.16 | 0.17 | 0.16 | 0.16 | 0.16 | 2.56% | 211,401 |
| Nov 5, 2025 | 0.16 | 0.16 | 0.16 | 0.16 | 0.16 | 0.76% | 176,692 |
| Nov 4, 2025 | 0.16 | 0.16 | 0.16 | 0.16 | 0.16 | 0.44% | 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 | -3.46% | 172,178 |
| Oct 30, 2025 | 0.16 | 0.17 | 0.16 | 0.16 | 0.16 | -1.82% | 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 | 0.30% | 240,225 |
| Oct 24, 2025 | 0.17 | 0.17 | 0.16 | 0.16 | 0.16 | 0.30% | 310,752 |
| Oct 23, 2025 | 0.17 | 0.17 | 0.16 | 0.16 | 0.16 | -1.38% | 94,554 |
| Oct 22, 2025 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | -4.31% | 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 | 13.70% | 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 | -3.96% | 798,256 |
| Oct 9, 2025 | 0.16 | 0.17 | 0.15 | 0.17 | 0.17 | 3.67% | 808,235 |
| Oct 8, 2025 | 0.17 | 0.18 | 0.15 | 0.16 | 0.16 | -4.35% | 1,001,134 |
| Oct 7, 2025 | 0.17 | 0.18 | 0.16 | 0.17 | 0.17 | -0.36% | 448,852 |
| Oct 6, 2025 | 0.16 | 0.17 | 0.15 | 0.17 | 0.17 | 1.94% | 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 | 2.95% | 347,949 |
| Sep 30, 2025 | 0.18 | 0.18 | 0.16 | 0.17 | 0.17 | -5.36% | 241,667 |
| Sep 29, 2025 | 0.18 | 0.18 | 0.16 | 0.18 | 0.18 | -0.22% | 197,315 |
| Sep 26, 2025 | 0.16 | 0.18 | 0.16 | 0.18 | 0.18 | 9.06% | 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 |