Aptose Biosciences Inc. (APTOF)
OTCMKTS · Delayed Price · Currency is USD
1.230
+0.050 (4.24%)
Sep 8, 2025, 4:00 PM EDT
Aptose Biosciences Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Sep 4, 2025 | 1.22 | 1.22 | 1.22 | 1.22 | 1.22 | 0.25% | 55 |
| Sep 3, 2025 | 1.22 | 1.22 | 1.22 | 1.22 | 1.22 | 2.18% | 670 |
| Sep 2, 2025 | 1.01 | 1.19 | 1.01 | 1.19 | 1.19 | -5.24% | 2,832 |
| Aug 29, 2025 | 1.26 | 1.26 | 1.26 | 1.26 | 1.26 | - | 113 |
| Aug 28, 2025 | 1.26 | 1.26 | 1.26 | 1.26 | 1.26 | 10.53% | 1,873 |
| Aug 27, 2025 | 1.06 | 1.14 | 1.06 | 1.14 | 1.14 | -4.20% | 1,343 |
| Aug 26, 2025 | 1.24 | 1.24 | 1.15 | 1.19 | 1.19 | -4.80% | 2,044 |
| Aug 25, 2025 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | - | 266 |
| Aug 22, 2025 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 5.04% | 2,375 |
| Aug 21, 2025 | 1.10 | 1.25 | 1.10 | 1.19 | 1.19 | 17.82% | 693 |
| Aug 20, 2025 | 1.25 | 1.25 | 1.01 | 1.01 | 1.01 | -19.20% | 4,587 |
| Aug 19, 2025 | 1.28 | 1.28 | 1.25 | 1.25 | 1.25 | -3.85% | 12,404 |
| Aug 18, 2025 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 4.84% | 423 |
| Aug 15, 2025 | 1.24 | 1.29 | 1.24 | 1.24 | 1.24 | -5.49% | 4,839 |
| Aug 14, 2025 | 1.33 | 1.33 | 1.26 | 1.31 | 1.31 | 5.81% | 782 |
| Aug 13, 2025 | 1.24 | 1.24 | 1.24 | 1.24 | 1.24 | -4.25% | 1,884 |
| Aug 12, 2025 | 1.33 | 1.33 | 1.23 | 1.30 | 1.30 | 3.60% | 1,473 |
| Aug 11, 2025 | 1.39 | 1.39 | 1.25 | 1.25 | 1.25 | 1.63% | 5,252 |
| Aug 8, 2025 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | - | 702 |
| Aug 7, 2025 | 1.15 | 1.34 | 1.15 | 1.23 | 1.23 | -3.15% | 6,360 |
| Aug 6, 2025 | 1.35 | 1.35 | 1.27 | 1.27 | 1.27 | -6.62% | 1,816 |
| Aug 5, 2025 | 1.15 | 1.36 | 1.15 | 1.36 | 1.36 | 8.37% | 4,127 |
| Aug 4, 2025 | 1.26 | 1.26 | 1.26 | 1.26 | 1.26 | 0.56% | 756 |
| Aug 1, 2025 | 1.24 | 1.25 | 1.17 | 1.25 | 1.25 | -3.26% | 3,985 |
| Jul 31, 2025 | 1.29 | 1.29 | 1.29 | 1.29 | 1.29 | -3.73% | 821 |
| Jul 30, 2025 | 1.48 | 1.48 | 1.10 | 1.34 | 1.34 | -6.29% | 18,633 |
| Jul 29, 2025 | 1.64 | 1.64 | 1.39 | 1.43 | 1.43 | -7.14% | 15,155 |
| Jul 28, 2025 | 1.66 | 1.78 | 1.47 | 1.54 | 1.54 | -7.23% | 11,991 |
| Jul 25, 2025 | 1.67 | 1.70 | 1.65 | 1.66 | 1.66 | -0.60% | 2,189 |
| Jul 24, 2025 | 1.81 | 1.81 | 1.66 | 1.67 | 1.67 | 1.83% | 2,838 |
| Jul 23, 2025 | 1.67 | 1.67 | 1.62 | 1.64 | 1.64 | -1.80% | 949 |
| Jul 22, 2025 | 1.65 | 1.68 | 1.65 | 1.67 | 1.67 | 3.73% | 2,980 |
| Jul 21, 2025 | 1.69 | 1.69 | 1.61 | 1.61 | 1.61 | -3.01% | 3,053 |
| Jul 18, 2025 | 1.66 | 1.66 | 1.66 | 1.66 | 1.66 | - | 358 |
| Jul 17, 2025 | 1.61 | 1.66 | 1.61 | 1.66 | 1.66 | 3.23% | 890 |
| Jul 16, 2025 | 1.63 | 1.64 | 1.61 | 1.61 | 1.61 | -0.74% | 2,156 |
| Jul 15, 2025 | 1.39 | 1.68 | 1.39 | 1.62 | 1.62 | -1.22% | 16,920 |
| Jul 14, 2025 | 1.85 | 1.85 | 1.58 | 1.64 | 1.64 | -11.35% | 10,426 |
| Jul 11, 2025 | 1.66 | 1.85 | 1.66 | 1.85 | 1.85 | 12.67% | 4,966 |
| Jul 10, 2025 | 1.40 | 1.79 | 1.40 | 1.64 | 1.64 | 9.47% | 16,953 |
| Jul 9, 2025 | 1.75 | 1.75 | 1.46 | 1.50 | 1.50 | -8.54% | 4,606 |
| Jul 8, 2025 | 1.45 | 1.68 | 1.42 | 1.64 | 1.64 | 50.46% | 13,758 |
| Jul 7, 2025 | 0.89 | 1.09 | 0.89 | 1.09 | 1.09 | 27.17% | 7,100 |
| Jul 3, 2025 | 0.86 | 0.86 | 0.86 | 0.86 | 0.86 | -3.32% | 2,741 |
| Jul 2, 2025 | 0.92 | 0.92 | 0.84 | 0.89 | 0.89 | 2.24% | 6,793 |
| Jul 1, 2025 | 0.98 | 0.98 | 0.84 | 0.87 | 0.87 | -0.08% | 1,817 |
| Jun 30, 2025 | 0.86 | 0.87 | 0.82 | 0.87 | 0.87 | 6.70% | 1,806 |
| Jun 27, 2025 | 0.80 | 0.82 | 0.80 | 0.81 | 0.81 | 0.49% | 22,644 |