Aptose Biosciences Inc. (APTOF)
OTCMKTS · Delayed Price · Currency is USD
1.580
-0.030 (-1.86%)
Jun 18, 2026, 4:00 PM EST
APTOF Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 18, 2026 | 1.56 | 1.56 | 1.56 | 1.56 | 1.56 | -3.26% | 685 |
| Jun 12, 2026 | 1.57 | 1.61 | 1.56 | 1.61 | 1.61 | 2.71% | 1,947 |
| Jun 10, 2026 | 1.65 | 1.65 | 1.57 | 1.57 | 1.57 | - | 1,221 |
| Jun 9, 2026 | 1.57 | 1.57 | 1.55 | 1.57 | 1.57 | - | 8,014 |
| Jun 8, 2026 | 1.57 | 1.57 | 1.57 | 1.57 | 1.57 | - | 861 |
| Jun 5, 2026 | 1.57 | 1.57 | 1.57 | 1.57 | 1.57 | -0.63% | 109 |
| Jun 4, 2026 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | -0.01% | 517 |
| Jun 2, 2026 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | -5.95% | 1,057 |
| Jun 1, 2026 | 1.68 | 1.68 | 1.68 | 1.68 | 1.68 | 1.82% | 255 |
| May 29, 2026 | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 5.10% | 936 |
| May 28, 2026 | 1.57 | 1.57 | 1.57 | 1.57 | 1.57 | -6.55% | 426 |
| May 27, 2026 | 1.68 | 1.68 | 1.68 | 1.68 | 1.68 | -1.06% | 507 |
| May 26, 2026 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | -0.35% | 729 |
| May 22, 2026 | 1.68 | 1.70 | 1.68 | 1.70 | 1.70 | -0.18% | 2,686 |
| May 21, 2026 | 1.71 | 1.71 | 1.71 | 1.71 | 1.71 | 1.01% | 119 |
| May 20, 2026 | 1.71 | 1.71 | 1.69 | 1.69 | 1.69 | - | 3,035 |
| May 19, 2026 | 1.69 | 1.69 | 1.69 | 1.69 | 1.69 | -0.76% | 2,747 |
| May 15, 2026 | 1.71 | 1.71 | 1.70 | 1.70 | 1.70 | -0.53% | 10,350 |
| May 14, 2026 | 1.71 | 1.71 | 1.71 | 1.71 | 1.71 | 0.71% | 316 |
| May 13, 2026 | 1.72 | 1.72 | 1.70 | 1.70 | 1.70 | -0.70% | 673 |
| May 11, 2026 | 1.70 | 1.71 | 1.70 | 1.71 | 1.71 | 1.90% | 1,727 |
| May 8, 2026 | 1.71 | 1.71 | 1.68 | 1.68 | 1.68 | - | 1,411 |
| May 7, 2026 | 1.68 | 1.68 | 1.68 | 1.68 | 1.68 | -2.44% | 227 |
| May 6, 2026 | 1.72 | 1.72 | 1.72 | 1.72 | 1.72 | 0.20% | 299 |
| May 5, 2026 | 1.68 | 1.73 | 1.68 | 1.72 | 1.72 | 1.09% | 579 |
| May 4, 2026 | 1.72 | 1.73 | 1.70 | 1.70 | 1.70 | -1.73% | 1,711 |
| May 1, 2026 | 1.74 | 1.74 | 1.72 | 1.73 | 1.73 | 0.58% | 3,155 |
| Apr 30, 2026 | 1.74 | 1.74 | 1.72 | 1.72 | 1.72 | - | 2,006 |
| Apr 29, 2026 | 1.72 | 1.72 | 1.72 | 1.72 | 1.72 | -0.58% | 8,978 |
| Apr 28, 2026 | 1.73 | 1.73 | 1.73 | 1.73 | 1.73 | 1.17% | 324 |
| Apr 24, 2026 | 1.71 | 1.71 | 1.71 | 1.71 | 1.71 | - | 380 |
| Apr 22, 2026 | 1.70 | 1.71 | 1.70 | 1.71 | 1.71 | - | 766 |
| Apr 21, 2026 | 1.73 | 1.73 | 1.71 | 1.71 | 1.71 | -1.16% | 11,586 |
| Apr 17, 2026 | 1.73 | 1.73 | 1.73 | 1.73 | 1.73 | - | 907 |
| Apr 16, 2026 | 1.68 | 1.73 | 1.68 | 1.73 | 1.73 | 2.98% | 467 |
| Apr 15, 2026 | 1.68 | 1.69 | 1.66 | 1.68 | 1.68 | -1.18% | 9,010 |
| Apr 14, 2026 | 1.70 | 1.70 | 1.68 | 1.70 | 1.70 | -1.28% | 2,287 |
| Apr 10, 2026 | 1.72 | 1.72 | 1.72 | 1.72 | 1.72 | 0.70% | 189 |
| Apr 9, 2026 | 1.71 | 1.71 | 1.71 | 1.71 | 1.71 | -0.47% | 240 |
| Apr 8, 2026 | 1.72 | 1.72 | 1.72 | 1.72 | 1.72 | 2.26% | 386 |
| Apr 6, 2026 | 1.70 | 1.70 | 1.68 | 1.68 | 1.68 | -0.59% | 3,354 |
| Apr 2, 2026 | 1.69 | 1.69 | 1.69 | 1.69 | 1.69 | -1.17% | 1,107 |
| Apr 1, 2026 | 1.69 | 1.71 | 1.69 | 1.71 | 1.71 | 2.64% | 500 |
| Mar 31, 2026 | 1.66 | 1.71 | 1.66 | 1.67 | 1.67 | 3.37% | 28,261 |
| Mar 27, 2026 | 1.61 | 1.61 | 1.61 | 1.61 | 1.61 | -1.49% | 9,327 |
| Mar 26, 2026 | 1.61 | 1.64 | 1.60 | 1.64 | 1.64 | 0.99% | 793 |
| Mar 25, 2026 | 1.62 | 1.62 | 1.62 | 1.62 | 1.62 | -0.34% | 387 |
| Mar 24, 2026 | 1.62 | 1.63 | 1.62 | 1.63 | 1.63 | 0.62% | 3,792 |
| Mar 23, 2026 | 1.62 | 1.67 | 1.61 | 1.62 | 1.62 | 0.28% | 12,349 |
| Mar 20, 2026 | 1.62 | 1.63 | 1.61 | 1.61 | 1.61 | -0.56% | 11,449 |