Aptose Biosciences Inc. (APTOF)
OTCMKTS · Delayed Price · Currency is USD
1.690
+0.010 (0.60%)
Nov 20, 2025, 4:00 PM EST
Aptose Biosciences Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 20, 2025 | 1.67 | 1.69 | 1.65 | 1.69 | 1.69 | 0.42% | 1,438 |
| Nov 19, 2025 | 1.69 | 1.72 | 1.63 | 1.68 | 1.68 | 4.53% | 23,610 |
| Nov 18, 2025 | 1.53 | 1.70 | 1.51 | 1.61 | 1.61 | 12.59% | 8,523 |
| Nov 17, 2025 | 1.41 | 1.43 | 1.41 | 1.43 | 1.43 | 0.70% | 2,491 |
| Nov 14, 2025 | 1.43 | 1.46 | 1.42 | 1.42 | 1.42 | -0.28% | 8,185 |
| Nov 13, 2025 | 1.42 | 1.43 | 1.40 | 1.42 | 1.42 | 1.42% | 2,817 |
| Nov 12, 2025 | 1.37 | 1.40 | 1.37 | 1.40 | 1.40 | 2.03% | 1,395 |
| Nov 11, 2025 | 1.35 | 1.38 | 1.35 | 1.38 | 1.38 | -0.29% | 800 |
| Nov 10, 2025 | 1.41 | 1.46 | 1.38 | 1.38 | 1.38 | -2.13% | 6,781 |
| Nov 7, 2025 | 1.41 | 1.41 | 1.41 | 1.41 | 1.41 | - | 771 |
| Nov 6, 2025 | 1.40 | 1.42 | 1.40 | 1.41 | 1.41 | 0.86% | 3,259 |
| Nov 5, 2025 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | -2.24% | 1,018 |
| Nov 4, 2025 | 1.43 | 1.44 | 1.43 | 1.43 | 1.43 | - | 907 |
| Nov 3, 2025 | 1.38 | 1.43 | 1.35 | 1.43 | 1.43 | 7.52% | 9,168 |
| Oct 31, 2025 | 1.33 | 1.33 | 1.33 | 1.33 | 1.33 | 2.39% | 208 |
| Oct 30, 2025 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 3.92% | 375 |
| Oct 29, 2025 | 1.26 | 1.33 | 1.25 | 1.25 | 1.25 | -0.79% | 1,669 |
| Oct 28, 2025 | 1.26 | 1.26 | 1.26 | 1.26 | 1.26 | -3.08% | 557 |
| Oct 27, 2025 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | -1.14% | 320 |
| Oct 24, 2025 | 1.26 | 1.33 | 1.26 | 1.32 | 1.32 | 5.20% | 3,440 |
| Oct 23, 2025 | 1.19 | 1.25 | 1.19 | 1.25 | 1.25 | -2.34% | 490 |
| Oct 22, 2025 | 1.23 | 1.28 | 1.23 | 1.28 | 1.28 | 5.35% | 5,413 |
| Oct 21, 2025 | 1.25 | 1.25 | 1.20 | 1.22 | 1.22 | -3.57% | 1,056 |
| Oct 20, 2025 | 1.26 | 1.26 | 1.26 | 1.26 | 1.26 | -10.00% | 2,169 |
| Oct 17, 2025 | 1.42 | 1.43 | 1.15 | 1.40 | 1.40 | 11.11% | 2,206 |
| Oct 16, 2025 | 1.25 | 1.40 | 1.24 | 1.26 | 1.26 | 12.50% | 6,119 |
| Oct 15, 2025 | 1.11 | 1.12 | 1.10 | 1.12 | 1.12 | - | 3,395 |
| Oct 13, 2025 | 1.18 | 1.22 | 1.11 | 1.12 | 1.12 | -2.61% | 1,799 |
| Oct 10, 2025 | 1.18 | 1.18 | 1.11 | 1.15 | 1.15 | 3.60% | 9,504 |
| Oct 8, 2025 | 1.15 | 1.16 | 1.11 | 1.11 | 1.11 | -3.48% | 1,902 |
| Oct 7, 2025 | 1.18 | 1.18 | 1.15 | 1.15 | 1.15 | -3.36% | 1,632 |
| Oct 6, 2025 | 1.15 | 1.19 | 1.13 | 1.19 | 1.19 | 10.19% | 2,021 |
| Oct 3, 2025 | 1.16 | 1.17 | 1.08 | 1.08 | 1.08 | -7.61% | 2,129 |
| Oct 2, 2025 | 1.13 | 1.19 | 1.13 | 1.17 | 1.17 | 2.54% | 3,968 |
| Oct 1, 2025 | 1.19 | 1.19 | 1.14 | 1.14 | 1.14 | -2.56% | 2,733 |
| Sep 30, 2025 | 1.20 | 1.23 | 1.17 | 1.17 | 1.17 | -4.88% | 4,946 |
| Sep 26, 2025 | 1.21 | 1.23 | 1.16 | 1.23 | 1.23 | 1.65% | 8,164 |
| Sep 23, 2025 | 1.21 | 1.21 | 1.20 | 1.21 | 1.21 | -3.20% | 1,541 |
| Sep 22, 2025 | 1.24 | 1.25 | 1.20 | 1.25 | 1.25 | - | 2,537 |
| Sep 19, 2025 | 1.24 | 1.25 | 1.24 | 1.25 | 1.25 | 1.13% | 1,886 |
| Sep 18, 2025 | 1.24 | 1.24 | 1.23 | 1.24 | 1.24 | 0.82% | 4,124 |
| Sep 17, 2025 | 1.22 | 1.23 | 1.22 | 1.23 | 1.23 | 2.17% | 1,379 |
| Sep 16, 2025 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.69% | 7,742 |
| Sep 15, 2025 | 1.22 | 1.22 | 1.18 | 1.18 | 1.18 | -1.34% | 1,333 |
| Sep 12, 2025 | 1.20 | 1.22 | 1.20 | 1.20 | 1.20 | -1.97% | 1,352 |
| Sep 11, 2025 | 1.22 | 1.22 | 1.22 | 1.22 | 1.22 | 0.83% | 1,728 |
| Sep 10, 2025 | 1.22 | 1.22 | 1.21 | 1.21 | 1.21 | 4.31% | 728 |
| Sep 9, 2025 | 1.20 | 1.20 | 1.16 | 1.16 | 1.16 | -5.84% | 1,619 |
| Sep 8, 2025 | 1.19 | 1.23 | 1.19 | 1.23 | 1.23 | 4.41% | 1,673 |
| Sep 5, 2025 | 1.16 | 1.18 | 1.16 | 1.18 | 1.18 | -3.52% | 698 |