C3is Inc. (CISS)
NASDAQ: CISS · Real-Time Price · USD
2.610
-0.310 (-10.62%)
At close: Aug 24, 2026, 4:00 PM EDT
2.650
+0.040 (1.53%)
After-hours: Aug 24, 2026, 7:51 PM EDT
C3is Inc. Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 24, 2026 | 2.74 | 2.80 | 2.58 | 2.61 | 2.61 | -10.62% | 142,466 |
| Aug 21, 2026 | 2.91 | 3.00 | 2.73 | 2.92 | 2.92 | -0.34% | 181,655 |
| Aug 20, 2026 | 2.71 | 3.06 | 2.61 | 2.93 | 2.93 | -5.18% | 468,062 |
| Aug 19, 2026 | 2.79 | 4.90 | 2.56 | 3.09 | 3.09 | 12.77% | 7,330,638 |
| Aug 18, 2026 | 2.40 | 2.77 | 2.24 | 2.74 | 2.74 | 15.32% | 547,969 |
| Aug 17, 2026 | 2.58 | 2.69 | 2.29 | 2.38 | 2.38 | -25.09% | 678,593 |
| Aug 14, 2026 | 3.16 | 3.18 | 2.98 | 3.17 | 3.17 | -3.06% | 122,221 |
| Aug 13, 2026 | 3.12 | 3.27 | 3.00 | 3.27 | 3.27 | -1.45% | 295,718 |
| Aug 12, 2026 | 3.28 | 3.40 | 3.22 | 3.32 | 3.32 | - | 235,377 |
| Aug 11, 2026 | 3.30 | 3.47 | 3.22 | 3.32 | 3.32 | -5.68% | 244,340 |
| Aug 10, 2026 | 3.39 | 3.68 | 3.29 | 3.52 | 3.52 | 1.15% | 430,576 |
| Aug 7, 2026 | 3.66 | 3.66 | 3.20 | 3.48 | 3.48 | -10.68% | 597,002 |
| Aug 6, 2026 | 4.04 | 4.15 | 3.68 | 3.90 | 3.90 | -10.23% | 1,218,707 |
| Aug 5, 2026 | 5.15 | 5.81 | 4.12 | 4.34 | 4.34 | 23.16% | 14,554,099 |
| Aug 4, 2026 | 3.67 | 3.80 | 3.39 | 3.52 | 3.52 | -21.34% | 1,697,731 |
| Aug 3, 2026 | 4.86 | 4.86 | 4.27 | 4.48 | 4.48 | -5.88% | 808,094 |
| Jul 31, 2026 | 5.61 | 5.61 | 4.72 | 4.76 | 4.76 | -12.50% | 503,367 |
| Jul 30, 2026 | 5.62 | 5.80 | 5.13 | 5.44 | 5.44 | 2.33% | 2,061,620 |
| Jul 29, 2026 | 6.74 | 6.82 | 4.47 | 5.32 | 5.32 | -20.42% | 1,307,466 |
| Jul 28, 2026 | 7.40 | 8.80 | 6.09 | 6.68 | 6.68 | 63.09% | 10,146,962 |
| Jul 27, 2026 | 5.60 | 6.00 | 4.00 | 4.10 | 4.10 | -80.31% | 1,072,482 |
| Jul 24, 2026 | 35.60 | 35.60 | 16.44 | 20.80 | 20.80 | -45.94% | 131,083 |
| Jul 23, 2026 | 51.20 | 55.05 | 38.00 | 38.48 | 38.48 | -40.98% | 23,269 |
| Jul 22, 2026 | 66.40 | 67.20 | 64.80 | 65.20 | 65.20 | 0.62% | 2,718 |
| Jul 21, 2026 | 65.20 | 73.20 | 63.60 | 64.80 | 64.80 | -2.99% | 1,105 |
| Jul 20, 2026 | 67.60 | 67.60 | 62.00 | 66.80 | 66.80 | -2.34% | 853 |
| Jul 17, 2026 | 70.00 | 71.60 | 66.40 | 68.40 | 68.40 | -3.39% | 605 |
| Jul 16, 2026 | 68.40 | 73.60 | 66.40 | 70.80 | 70.80 | 5.36% | 1,905 |
| Jul 15, 2026 | 61.20 | 68.80 | 60.00 | 67.20 | 67.20 | 7.01% | 2,076 |
| Jul 14, 2026 | 67.20 | 69.60 | 60.80 | 62.80 | 62.80 | -2.48% | 11,294 |
| Jul 13, 2026 | 72.40 | 72.62 | 62.40 | 64.40 | 64.40 | -8.00% | 1,480 |
| Jul 10, 2026 | 68.40 | 71.99 | 68.00 | 70.00 | 70.00 | - | 689 |
| Jul 9, 2026 | 69.21 | 70.00 | 66.80 | 70.00 | 70.00 | 2.94% | 447 |
| Jul 8, 2026 | 71.20 | 71.20 | 65.60 | 68.00 | 68.00 | -1.16% | 941 |
| Jul 7, 2026 | 75.20 | 75.20 | 68.80 | 68.80 | 68.80 | -8.51% | 1,847 |
| Jul 6, 2026 | 72.80 | 75.20 | 69.60 | 75.20 | 75.20 | 5.03% | 1,403 |
| Jul 2, 2026 | 68.00 | 72.40 | 66.00 | 71.60 | 71.60 | 3.47% | 6,538 |
| Jul 1, 2026 | 68.40 | 72.80 | 66.80 | 69.20 | 69.20 | 4.22% | 1,493 |
| Jun 30, 2026 | 65.20 | 68.80 | 62.40 | 66.40 | 66.40 | 0.61% | 1,499 |
| Jun 29, 2026 | 70.00 | 70.00 | 65.99 | 66.00 | 66.00 | -1.79% | 819 |
| Jun 26, 2026 | 66.40 | 74.40 | 65.60 | 67.20 | 67.20 | 2.44% | 3,315 |
| Jun 25, 2026 | 67.60 | 68.80 | 63.20 | 65.60 | 65.60 | -4.65% | 2,803 |
| Jun 24, 2026 | 72.40 | 72.40 | 61.60 | 68.80 | 68.80 | -8.02% | 5,503 |
| Jun 23, 2026 | 80.00 | 80.00 | 71.20 | 74.80 | 74.80 | -11.79% | 4,928 |
| Jun 22, 2026 | 87.20 | 87.20 | 82.00 | 84.80 | 84.80 | -3.64% | 2,857 |
| Jun 18, 2026 | 88.00 | 90.00 | 85.20 | 88.00 | 88.00 | -0.90% | 4,714 |
| Jun 17, 2026 | 87.20 | 89.60 | 82.80 | 88.80 | 88.80 | -2.20% | 4,845 |
| Jun 16, 2026 | 90.80 | 94.00 | 87.60 | 90.80 | 90.80 | 0.89% | 8,355 |
| Jun 15, 2026 | 86.80 | 94.40 | 83.20 | 90.00 | 90.00 | 8.17% | 11,985 |
| Jun 12, 2026 | 90.80 | 95.60 | 76.40 | 83.20 | 83.20 | -8.37% | 13,297 |