C3is Inc. (CISS)
NASDAQ: CISS · Real-Time Price · USD
3.590
+0.169 (4.94%)
At close: Apr 28, 2026, 4:00 PM EDT
3.350
-0.240 (-6.69%)
After-hours: Apr 28, 2026, 7:54 PM EDT
C3is Inc. Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 3.30 | 3.65 | 3.02 | 3.59 | 3.59 | 4.94% | 160,053 |
| Apr 27, 2026 | 2.84 | 3.49 | 2.70 | 3.42 | 3.42 | 15.77% | 96,001 |
| Apr 24, 2026 | 3.18 | 3.18 | 2.89 | 2.96 | 2.96 | -1.86% | 79,753 |
| Apr 23, 2026 | 5.11 | 5.11 | 2.87 | 3.01 | 3.01 | -45.41% | 332,025 |
| Apr 22, 2026 | 5.63 | 5.68 | 5.39 | 5.52 | 5.52 | -2.58% | 11,030 |
| Apr 21, 2026 | 5.87 | 5.88 | 5.55 | 5.66 | 5.66 | -1.87% | 11,270 |
| Apr 20, 2026 | 5.74 | 5.85 | 5.60 | 5.77 | 5.77 | 2.83% | 11,409 |
| Apr 17, 2026 | 5.90 | 6.10 | 5.60 | 5.61 | 5.61 | -3.38% | 12,539 |
| Apr 16, 2026 | 6.09 | 6.13 | 5.67 | 5.81 | 5.81 | -1.68% | 19,570 |
| Apr 15, 2026 | 5.69 | 5.96 | 5.66 | 5.91 | 5.91 | 2.62% | 16,779 |
| Apr 14, 2026 | 5.76 | 5.97 | 5.64 | 5.76 | 5.75 | 0.26% | 14,591 |
| Apr 13, 2026 | 5.52 | 5.74 | 5.39 | 5.74 | 5.74 | 0.17% | 20,817 |
| Apr 10, 2026 | 5.46 | 5.86 | 5.46 | 5.73 | 5.73 | 2.89% | 14,380 |
| Apr 9, 2026 | 5.38 | 5.81 | 5.38 | 5.57 | 5.57 | 0.63% | 14,179 |
| Apr 8, 2026 | 5.53 | 5.73 | 5.53 | 5.53 | 5.53 | 0.13% | 7,734 |
| Apr 7, 2026 | 5.60 | 5.70 | 5.32 | 5.53 | 5.53 | -3.78% | 18,033 |
| Apr 6, 2026 | 5.88 | 5.88 | 5.67 | 5.74 | 5.74 | 0.60% | 9,607 |
| Apr 2, 2026 | 5.46 | 5.89 | 5.41 | 5.71 | 5.71 | -0.26% | 11,296 |
| Apr 1, 2026 | 5.63 | 5.81 | 5.59 | 5.73 | 5.73 | -1.09% | 11,414 |
| Mar 31, 2026 | 5.67 | 5.81 | 5.53 | 5.79 | 5.79 | 3.95% | 11,542 |
| Mar 30, 2026 | 5.60 | 5.74 | 5.46 | 5.57 | 5.57 | -0.57% | 15,843 |
| Mar 27, 2026 | 5.88 | 6.09 | 5.57 | 5.60 | 5.60 | -2.54% | 16,805 |
| Mar 26, 2026 | 5.98 | 6.23 | 5.68 | 5.75 | 5.75 | -4.06% | 14,199 |
| Mar 25, 2026 | 6.09 | 6.22 | 5.68 | 5.99 | 5.99 | 0.12% | 10,736 |
| Mar 24, 2026 | 5.75 | 6.30 | 5.67 | 5.98 | 5.98 | 1.54% | 30,126 |
| Mar 23, 2026 | 5.91 | 6.30 | 5.46 | 5.89 | 5.89 | -0.77% | 31,626 |
| Mar 20, 2026 | 6.02 | 6.37 | 5.85 | 5.94 | 5.94 | -1.93% | 34,215 |
| Mar 19, 2026 | 6.65 | 6.70 | 5.81 | 6.05 | 6.05 | 8.11% | 1,056,751 |
| Mar 18, 2026 | 5.43 | 6.19 | 5.32 | 5.60 | 5.60 | 6.65% | 137,910 |
| Mar 17, 2026 | 6.44 | 6.44 | 5.25 | 5.25 | 5.25 | -19.56% | 73,444 |
| Mar 16, 2026 | 7.84 | 7.84 | 6.30 | 6.53 | 6.53 | -16.73% | 76,434 |
| Mar 13, 2026 | 7.74 | 7.91 | 7.70 | 7.84 | 7.84 | 0.90% | 19,153 |
| Mar 12, 2026 | 7.91 | 8.05 | 7.67 | 7.77 | 7.77 | -1.77% | 39,561 |
| Mar 11, 2026 | 8.19 | 8.47 | 7.84 | 7.91 | 7.91 | -0.88% | 49,772 |
| Mar 10, 2026 | 8.33 | 9.94 | 7.63 | 7.98 | 7.98 | -3.39% | 380,666 |
| Mar 9, 2026 | 8.40 | 8.68 | 7.98 | 8.26 | 8.26 | -4.84% | 57,886 |
| Mar 6, 2026 | 9.80 | 9.87 | 8.47 | 8.68 | 8.68 | -13.29% | 120,711 |
| Mar 5, 2026 | 10.15 | 11.06 | 9.87 | 10.01 | 10.01 | -1.38% | 204,308 |
| Mar 4, 2026 | 10.36 | 10.98 | 10.15 | 10.15 | 10.15 | -11.04% | 162,512 |
| Mar 3, 2026 | 11.69 | 12.25 | 10.43 | 11.41 | 11.41 | 5.84% | 1,094,279 |
| Mar 2, 2026 | 11.76 | 11.83 | 10.43 | 10.78 | 10.78 | - | 470,932 |
| Feb 27, 2026 | 10.57 | 11.06 | 10.57 | 10.78 | 10.78 | 2.67% | 37,302 |
| Feb 26, 2026 | 10.85 | 11.06 | 10.43 | 10.50 | 10.50 | -14.77% | 65,523 |
| Feb 25, 2026 | 12.11 | 12.78 | 12.04 | 12.32 | 12.32 | - | 78,295 |
| Feb 24, 2026 | 12.53 | 12.74 | 11.97 | 12.32 | 12.32 | -5.38% | 50,904 |
| Feb 23, 2026 | 13.02 | 13.86 | 12.73 | 13.02 | 13.02 | -4.12% | 79,035 |
| Feb 20, 2026 | 12.74 | 13.93 | 11.91 | 13.58 | 13.58 | -11.42% | 201,391 |
| Feb 19, 2026 | 13.09 | 19.25 | 12.88 | 15.33 | 15.33 | 31.14% | 5,716,516 |
| Feb 18, 2026 | 10.50 | 12.04 | 10.22 | 11.69 | 11.69 | 9.87% | 42,595 |
| Feb 17, 2026 | 10.36 | 11.13 | 10.36 | 10.64 | 10.64 | 0.66% | 21,088 |
| Feb 13, 2026 | 10.36 | 10.76 | 10.08 | 10.57 | 10.57 | -2.58% | 31,355 |
| Feb 12, 2026 | 11.41 | 11.51 | 10.71 | 10.85 | 10.85 | -6.06% | 28,712 |
| Feb 11, 2026 | 11.27 | 12.78 | 9.94 | 11.55 | 11.55 | -2.37% | 76,474 |
| Feb 10, 2026 | 11.69 | 12.39 | 11.20 | 11.83 | 11.83 | 1.81% | 56,952 |
| Feb 9, 2026 | 13.09 | 13.93 | 11.20 | 11.62 | 11.62 | -10.27% | 97,460 |
| Feb 6, 2026 | 12.25 | 13.37 | 12.25 | 12.95 | 12.95 | -5.61% | 220,327 |
| Feb 5, 2026 | 13.86 | 17.01 | 13.30 | 13.72 | 13.72 | 28.95% | 10,194,044 |
| Feb 4, 2026 | 11.34 | 11.55 | 10.52 | 10.64 | 10.64 | -8.43% | 350,848 |
| Feb 3, 2026 | 11.34 | 13.01 | 9.80 | 11.62 | 11.62 | -14.87% | 255,350 |
| Feb 2, 2026 | 17.57 | 20.09 | 11.20 | 13.65 | 13.65 | 6.56% | 5,974,573 |
| Jan 30, 2026 | 12.74 | 16.17 | 9.42 | 12.81 | 12.81 | 27.08% | 4,115,169 |
| Jan 29, 2026 | 12.11 | 12.11 | 9.45 | 10.08 | 10.08 | -17.71% | 96,431 |
| Jan 28, 2026 | 13.83 | 14.77 | 11.69 | 12.25 | 12.25 | -5.91% | 318,661 |
| Jan 27, 2026 | 12.11 | 13.44 | 11.97 | 13.02 | 13.02 | -9.71% | 56,788 |
| Jan 26, 2026 | 11.69 | 17.50 | 11.41 | 14.42 | 14.42 | 21.75% | 166,518 |
| Jan 23, 2026 | 11.90 | 13.09 | 11.51 | 11.84 | 11.84 | -7.03% | 95,257 |
| Jan 22, 2026 | 13.15 | 14.14 | 11.49 | 12.74 | 12.74 | -35.51% | 172,006 |
| Jan 21, 2026 | 17.44 | 20.13 | 16.94 | 19.75 | 19.75 | 8.37% | 30,342 |
| Jan 20, 2026 | 17.89 | 19.49 | 16.80 | 18.23 | 18.23 | 1.80% | 44,125 |
| Jan 16, 2026 | 17.35 | 18.62 | 17.33 | 17.91 | 17.91 | -6.64% | 58,058 |
| Jan 15, 2026 | 19.31 | 19.63 | 17.28 | 19.18 | 19.18 | -0.58% | 30,592 |
| Jan 14, 2026 | 20.83 | 21.28 | 17.09 | 19.29 | 19.29 | -7.58% | 49,773 |
| Jan 13, 2026 | 27.02 | 27.43 | 20.02 | 20.87 | 20.87 | -23.26% | 33,161 |
| Jan 12, 2026 | 29.40 | 30.66 | 26.95 | 27.20 | 27.20 | -11.40% | 10,020 |
| Jan 9, 2026 | 31.22 | 32.20 | 29.26 | 30.70 | 30.70 | -3.86% | 11,681 |
| Jan 8, 2026 | 33.60 | 33.73 | 31.35 | 31.93 | 31.93 | -3.59% | 4,945 |
| Jan 7, 2026 | 33.60 | 34.47 | 32.38 | 33.12 | 33.12 | 0.17% | 5,396 |
| Jan 6, 2026 | 32.24 | 34.38 | 30.98 | 33.07 | 33.07 | 2.47% | 4,973 |
| Jan 5, 2026 | 33.15 | 33.15 | 31.51 | 32.27 | 32.27 | 2.67% | 4,912 |
| Jan 2, 2026 | 32.20 | 33.15 | 30.95 | 31.43 | 31.43 | -2.39% | 6,125 |
| Dec 31, 2025 | 32.13 | 32.20 | 30.09 | 32.20 | 32.20 | - | 10,036 |
| Dec 30, 2025 | 29.68 | 34.30 | 29.55 | 32.20 | 32.20 | 6.98% | 33,133 |
| Dec 29, 2025 | 30.10 | 30.38 | 29.26 | 30.10 | 30.10 | 1.99% | 5,766 |
| Dec 26, 2025 | 30.38 | 30.63 | 29.46 | 29.51 | 29.51 | -2.86% | 4,494 |
| Dec 24, 2025 | 30.80 | 31.42 | 30.10 | 30.38 | 30.38 | -1.41% | 2,952 |
| Dec 23, 2025 | 31.85 | 32.07 | 30.80 | 30.81 | 30.81 | -4.84% | 5,970 |
| Dec 22, 2025 | 32.90 | 33.62 | 30.11 | 32.38 | 32.38 | 4.19% | 8,456 |
| Dec 19, 2025 | 31.15 | 31.85 | 29.54 | 31.08 | 31.08 | -2.46% | 7,571 |
| Dec 18, 2025 | 32.47 | 33.56 | 29.96 | 31.86 | 31.86 | 5.86% | 8,646 |
| Dec 17, 2025 | 30.80 | 30.98 | 28.53 | 30.10 | 30.10 | -6.32% | 13,120 |
| Dec 16, 2025 | 29.46 | 39.13 | 28.08 | 32.13 | 32.13 | 7.75% | 58,424 |
| Dec 15, 2025 | 35.00 | 35.00 | 28.00 | 29.82 | 29.82 | -14.80% | 28,895 |
| Dec 12, 2025 | 42.00 | 43.54 | 32.69 | 35.00 | 35.00 | -24.24% | 41,496 |
| Dec 11, 2025 | 49.00 | 56.00 | 43.39 | 46.20 | 46.20 | -80.70% | 82,616 |
| Dec 10, 2025 | 242.20 | 256.20 | 232.40 | 239.40 | 239.40 | -2.29% | 481 |
| Dec 9, 2025 | 245.00 | 257.38 | 239.40 | 245.00 | 245.00 | -0.57% | 255 |
| Dec 8, 2025 | 253.40 | 264.18 | 243.60 | 246.40 | 246.40 | -5.38% | 359 |
| Dec 5, 2025 | 267.40 | 271.60 | 257.60 | 260.40 | 260.40 | -1.12% | 329 |
| Dec 4, 2025 | 247.80 | 268.80 | 246.41 | 263.34 | 263.34 | 6.27% | 618 |
| Dec 3, 2025 | 250.60 | 252.00 | 247.80 | 247.80 | 247.80 | -1.12% | 221 |