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CISS — C3is Inc. Common Stock
NasdaqC3is Inc. Common Stock
$0.83
-0.04(-4.13%)
- O
- 0.90
- H
- 0.97
- L
- 0.82
- V
- 422.77K
⏱️ End-of-day dataAs of Oct 2, 2026
Latest Close$0.83
Period Return-99.83%
Period High$831.60
Period Low$0.06
Avg Daily Volume4.17M
Total Trading Days365
CISS — Historical OHLCV Price & Volume Table
Apr 22, 2025 — Oct 2, 2026| Date▼ | Open⇅ | High⇅ | Low⇅ | Close⇅ | Change ($)⇅ | Change (%)⇅ | Volume⇅ | VWAP⇅ | Day Range (L - H) |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | $0.90 | $0.97 | $0.82 | $0.83 | $-0.04 | -4.13% | 422,772 | $0.91 | $0.82 $0.97 |
| Oct 1, 2026 | $0.88 | $0.90 | $0.85 | $0.87 | $-0.02 | -2.00% | 211,643 | $0.88 | $0.85 $0.90 |
| Sep 30, 2026 | $0.95 | $0.98 | $0.88 | $0.88 | $-0.07 | -6.91% | 224,613 | $0.91 | $0.88 $0.98 |
| Sep 29, 2026 | $1.03 | $1.04 | $0.89 | $0.95 | $-0.09 | -8.63% | 345,505 | $0.99 | $0.89 $1.04 |
| Sep 28, 2026 | $1.08 | $1.08 | $1.02 | $1.04 | $-0.07 | -6.31% | 291,578 | $1.06 | $1.02 $1.08 |
| Sep 25, 2026 | $1.11 | $1.13 | $1.06 | $1.11 | $-0.01 | -0.89% | 269,386 | $1.10 | $1.06 $1.13 |
| Sep 24, 2026 | $1.11 | $1.14 | $1.07 | $1.12 | +$0.02 | +1.82% | 225,726 | $1.11 | $1.07 $1.14 |
| Sep 23, 2026 | $1.11 | $1.16 | $1.05 | $1.10 | $-0.04 | -3.51% | 507,902 | $1.10 | $1.05 $1.16 |
| Sep 22, 2026 | $1.31 | $1.31 | $1.00 | $1.14 | $-0.09 | -7.32% | 2,127,724 | $1.14 | $1.00 $1.31 |
| Sep 21, 2026 | $1.56 | $1.67 | $1.22 | $1.23 | $-0.06 | -4.65% | 15,266,871 | $1.53 | $1.22 $1.67 |
| Sep 18, 2026 | $1.35 | $1.49 | $1.25 | $1.29 | $-0.04 | -3.01% | 649,859 | $1.38 | $1.25 $1.49 |
| Sep 17, 2026 | $1.24 | $1.42 | $1.24 | $1.33 | +$0.09 | +7.26% | 522,347 | $1.35 | $1.24 $1.42 |
| Sep 16, 2026 | $1.27 | $1.33 | $1.20 | $1.24 | $-0.01 | -0.80% | 226,412 | $1.26 | $1.20 $1.33 |
| Sep 15, 2026 | $1.38 | $1.41 | $1.25 | $1.25 | $-0.12 | -8.76% | 191,376 | $1.32 | $1.25 $1.41 |
| Sep 14, 2026 | $1.40 | $1.43 | $1.37 | $1.37 | +$0.00 | +0.00% | 84,426 | $1.40 | $1.37 $1.43 |
| Sep 11, 2026 | $1.42 | $1.53 | $1.35 | $1.37 | $-0.08 | -5.52% | 260,284 | $1.45 | $1.35 $1.53 |
| Sep 10, 2026 | $1.40 | $1.54 | $1.36 | $1.45 | +$0.03 | +2.11% | 272,212 | $1.46 | $1.36 $1.54 |
| Sep 9, 2026 | $1.47 | $1.48 | $1.40 | $1.42 | $-0.04 | -2.74% | 157,061 | $1.43 | $1.40 $1.48 |
| Sep 8, 2026 | $1.49 | $1.53 | $1.45 | $1.46 | $-0.03 | -2.01% | 149,976 | $1.48 | $1.45 $1.53 |
| Sep 4, 2026 | $1.36 | $1.66 | $1.36 | $1.49 | +$0.11 | +7.97% | 741,252 | $1.53 | $1.36 $1.66 |
| Sep 3, 2026 | $1.32 | $1.43 | $1.32 | $1.38 | $-0.02 | -1.43% | 228,729 | $1.37 | $1.32 $1.43 |
| Sep 2, 2026 | $1.53 | $1.54 | $1.38 | $1.40 | $-0.17 | -10.83% | 356,366 | $1.48 | $1.38 $1.54 |
| Sep 1, 2026 | $1.63 | $1.76 | $1.56 | $1.57 | $-0.14 | -8.19% | 313,005 | $1.66 | $1.56 $1.76 |
| Aug 31, 2026 | $1.67 | $1.79 | $1.64 | $1.71 | $-0.10 | -5.52% | 435,313 | $1.72 | $1.64 $1.79 |
| Aug 28, 2026 | $1.88 | $1.95 | $1.71 | $1.81 | $-0.32 | -15.02% | 1,505,937 | $1.84 | $1.71 $1.95 |
| Aug 27, 2026 | $2.52 | $2.66 | $1.96 | $2.13 | $-0.80 | -27.30% | 12,332,430 | $2.91 | $1.96 $2.66 |
| Aug 26, 2026 | $2.97 | $3.05 | $2.75 | $2.93 | +$0.26 | +9.74% | 843,442 | $2.93 | $2.75 $3.05 |
| Aug 25, 2026 | $2.65 | $2.82 | $2.62 | $2.67 | +$0.06 | +2.30% | 159,922 | $2.68 | $2.62 $2.82 |
| Aug 24, 2026 | $2.74 | $2.80 | $2.58 | $2.61 | $-0.31 | -10.62% | 150,038 | $2.71 | $2.58 $2.80 |
| Aug 21, 2026 | $2.91 | $3.00 | $2.73 | $2.92 | $-0.01 | -0.34% | 193,868 | $2.87 | $2.73 $3.00 |