Aptose Biosciences Inc. (APTOF)
OTCMKTS · Delayed Price · Currency is USD
1.600
-0.070 (-4.19%)
Feb 17, 2026, 1:48 PM EST
Aptose Biosciences Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Feb 17, 2026 | 1.65 | 1.65 | 1.60 | 1.60 | - | -4.19% | - |
| Feb 13, 2026 | 1.69 | 1.69 | 1.67 | 1.67 | 1.67 | - | 1,069 |
| Feb 12, 2026 | 1.67 | 1.68 | 1.67 | 1.67 | 1.67 | - | 3,929 |
| Feb 10, 2026 | 1.67 | 1.67 | 1.67 | 1.67 | 1.67 | -0.83% | 332 |
| Feb 9, 2026 | 1.69 | 1.70 | 1.66 | 1.68 | 1.68 | 1.45% | 3,897 |
| Feb 6, 2026 | 1.65 | 1.66 | 1.65 | 1.66 | 1.66 | 2.47% | 4,336 |
| Feb 5, 2026 | 1.24 | 1.62 | 1.24 | 1.62 | 1.62 | - | 3,529 |
| Feb 4, 2026 | 1.63 | 1.63 | 1.62 | 1.62 | 1.62 | -2.99% | 437 |
| Feb 3, 2026 | 1.67 | 1.67 | 1.67 | 1.67 | 1.67 | - | 761 |
| Feb 2, 2026 | 1.67 | 1.67 | 1.67 | 1.67 | 1.67 | -0.60% | 953 |
| Jan 30, 2026 | 1.69 | 1.69 | 1.67 | 1.68 | 1.68 | -1.75% | 1,980 |
| Jan 29, 2026 | 1.67 | 1.71 | 1.67 | 1.71 | 1.71 | 0.59% | 2,473 |
| Jan 28, 2026 | 1.67 | 1.71 | 1.67 | 1.70 | 1.70 | 1.67% | 1,479 |
| Jan 27, 2026 | 1.64 | 1.67 | 1.64 | 1.67 | 1.67 | 1.95% | 4,456 |
| Jan 26, 2026 | 1.64 | 1.64 | 1.63 | 1.64 | 1.64 | - | 8,771 |
| Jan 23, 2026 | 1.64 | 1.64 | 1.64 | 1.64 | 1.64 | 2.50% | 592 |
| Jan 21, 2026 | 1.59 | 1.63 | 1.55 | 1.60 | 1.60 | - | 9,527 |
| Jan 20, 2026 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | -1.23% | 3,773 |
| Jan 16, 2026 | 1.57 | 1.62 | 1.57 | 1.62 | 1.62 | - | 13,287 |
| Jan 15, 2026 | 1.58 | 1.62 | 1.56 | 1.62 | 1.62 | 2.99% | 6,417 |
| Jan 14, 2026 | 1.61 | 1.61 | 1.51 | 1.57 | 1.57 | -2.30% | 2,581 |
| Jan 13, 2026 | 1.61 | 1.61 | 1.61 | 1.61 | 1.61 | 3.74% | 380 |
| Jan 12, 2026 | 1.55 | 1.55 | 1.55 | 1.55 | 1.55 | -0.19% | 419 |
| Jan 9, 2026 | 1.54 | 1.56 | 1.54 | 1.56 | 1.56 | -0.32% | 888 |
| Jan 8, 2026 | 1.56 | 1.56 | 1.56 | 1.56 | 1.56 | 2.63% | 547 |
| Jan 6, 2026 | 1.50 | 1.52 | 1.50 | 1.52 | 1.52 | 1.33% | 22,540 |
| Jan 5, 2026 | 1.51 | 1.51 | 1.50 | 1.50 | 1.50 | -2.53% | 1,417 |
| Jan 2, 2026 | 1.50 | 1.54 | 1.50 | 1.54 | 1.54 | 3.99% | 650 |
| Dec 31, 2025 | 1.45 | 1.48 | 1.45 | 1.48 | 1.48 | -1.27% | 10,421 |
| Dec 30, 2025 | 1.47 | 1.50 | 1.46 | 1.50 | 1.50 | -0.60% | 18,255 |
| Dec 29, 2025 | 1.26 | 1.58 | 1.26 | 1.51 | 1.51 | 4.00% | 2,941 |
| Dec 24, 2025 | 1.52 | 1.53 | 1.45 | 1.45 | 1.45 | -3.97% | 1,275 |
| Dec 23, 2025 | 1.50 | 1.53 | 1.50 | 1.51 | 1.51 | -0.59% | 13,108 |
| Dec 22, 2025 | 1.54 | 1.54 | 1.49 | 1.52 | 1.52 | -1.36% | 53,787 |
| Dec 19, 2025 | 1.57 | 1.57 | 1.50 | 1.54 | 1.54 | -2.53% | 31,590 |
| Dec 18, 2025 | 1.55 | 1.58 | 1.54 | 1.58 | 1.58 | 1.28% | 2,837 |
| Dec 17, 2025 | 1.59 | 1.59 | 1.52 | 1.56 | 1.56 | -2.50% | 75,101 |
| Dec 16, 2025 | 1.50 | 1.68 | 1.50 | 1.60 | 1.60 | -2.44% | 20,296 |
| Dec 15, 2025 | 1.64 | 1.65 | 1.64 | 1.64 | 1.64 | - | 14,189 |
| Dec 12, 2025 | 1.62 | 1.67 | 1.61 | 1.64 | 1.64 | 0.61% | 11,519 |
| Dec 11, 2025 | 1.67 | 1.68 | 1.63 | 1.63 | 1.63 | - | 6,048 |
| Dec 10, 2025 | 1.63 | 1.63 | 1.63 | 1.63 | 1.63 | - | 434 |
| Dec 9, 2025 | 1.64 | 1.68 | 1.63 | 1.63 | 1.63 | -0.85% | 4,350 |
| Dec 8, 2025 | 1.62 | 1.68 | 1.62 | 1.64 | 1.64 | 1.48% | 2,778 |
| Dec 5, 2025 | 1.60 | 1.62 | 1.51 | 1.62 | 1.62 | 1.25% | 23,726 |
| Dec 4, 2025 | 1.65 | 1.65 | 1.60 | 1.60 | 1.60 | -3.61% | 6,515 |
| Dec 3, 2025 | 1.67 | 1.67 | 1.66 | 1.66 | 1.66 | 0.61% | 1,780 |
| Dec 2, 2025 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | - | 354 |
| Dec 1, 2025 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | -0.60% | 3,466 |
| Nov 28, 2025 | 1.66 | 1.66 | 1.66 | 1.66 | 1.66 | - | 774 |