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NASDAQ:CISS C3is Inc. Stock
Home listing (NASDAQ) of C3is Inc.
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Share price · NASDAQ:CISS
$0.498 USD -0.041 (-7.6%)
Close on Oct 30, 2026
- Day range
- $0.488 – $0.562 USDOct 30, 2026
- Volume
- 196,791 sharesOct 30, 2026
- Market cap
- $1.72M USDAt the close on Oct 30, 2026 · price × 3.44M shares outstanding
- 52-week range
- $0.460 – $12,171.600 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $2.99M USDMedian day 409,039 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:CISS · Home | $0.498 USD | -0.041 (-7.6%) | 196,791 | $0.540 | $0.562 | $0.488 | $0.539 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:CISS · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $0.498 | -0.041 | -7.6% | $0.540 | $0.562 | $0.488 | 196,791 | |
| $0.539 | +0.052 | +10.7% | $0.493 | $0.585 | $0.490 | 435,404 | |
| $0.487 | -0.002 | -0.3% | $0.497 | $0.497 | $0.472 | 81,442 | |
| $0.489 | -0.001 | -0.2% | $0.479 | $0.498 | $0.462 | 225,699 | |
| $0.490 | -0.017 | -3.4% | $0.505 | $0.511 | $0.460 | 298,815 | |
| $0.507 | -0.012 | -2.4% | $0.510 | $0.550 | $0.496 | 346,374 | |
| $0.520 | -0.022 | -4.1% | $0.544 | $0.544 | $0.500 | 295,889 | |
| $0.542 | -0.023 | -4.1% | $0.551 | $0.615 | $0.533 | 1,090,080 | |
| $0.565 | +0.016 | +2.9% | $0.541 | $0.565 | $0.526 | 255,924 | |
| $0.549 | +0.016 | +3.0% | $0.540 | $0.570 | $0.525 | 525,328 | |
| $0.533 | -0.030 | -5.4% | $0.560 | $0.580 | $0.513 | 707,593 | |
| $0.564 | +0.034 | +6.5% | $0.545 | $0.580 | $0.539 | 458,612 | |
| $0.529 | -0.097 | -15.5% | $0.600 | $0.606 | $0.519 | 897,921 | |
| $0.626 | -0.055 | -8.1% | $0.674 | $0.740 | $0.577 | 1,634,974 | |
| $0.681 | -0.102 | -13.0% | $0.770 | $0.770 | $0.640 | 6,045,868 | |
| $0.783 | -0.040 | -4.9% | $0.830 | $0.830 | $0.771 | 155,908 | |
| $0.823 | +0.026 | +3.3% | $0.780 | $0.830 | $0.780 | 177,864 | |
| $0.797 | -0.092 | -10.3% | $0.840 | $0.860 | $0.795 | 283,524 | |
| $0.889 | +0.026 | +3.0% | $0.860 | $0.900 | $0.850 | 392,338 | |
| $0.863 | +0.032 | +3.9% | $0.869 | $0.900 | $0.787 | 447,460 | |
| $0.831 | -0.036 | -4.1% | $0.900 | $0.970 | $0.820 | 434,748 | |
| $0.867 | -0.018 | -2.0% | $0.885 | $0.902 | $0.851 | 211,643 | |
| $0.885 | -0.066 | -6.9% | $0.950 | $0.977 | $0.876 | 224,613 | |
| $0.950 | -0.090 | -8.6% | $1.030 | $1.038 | $0.890 | 345,504 | |
| $1.040 | -0.070 | -6.3% | $1.080 | $1.080 | $1.020 | 291,577 | |
| $1.110 | -0.010 | -0.9% | $1.110 | $1.130 | $1.060 | 269,385 | |
| $1.120 | +0.020 | +1.8% | $1.110 | $1.140 | $1.070 | 225,726 | |
| $1.100 | -0.040 | -3.5% | $1.110 | $1.160 | $1.050 | 507,901 | |
| $1.140 | -0.090 | -7.3% | $1.310 | $1.310 | $1.000 | 2,127,724 | |
| $1.230 | -0.060 | -4.7% | $1.560 | $1.670 | $1.220 | 15,266,870 | |
| $1.290 | -0.040 | -3.0% | $1.350 | $1.490 | $1.250 | 649,858 | |
| $1.330 | +0.090 | +7.3% | $1.240 | $1.420 | $1.240 | 522,346 | |
| $1.240 | -0.010 | -0.8% | $1.270 | $1.325 | $1.200 | 226,412 | |
| $1.250 | -0.120 | -8.8% | $1.380 | $1.405 | $1.250 | 199,330 | |
| $1.370 | 0.000 | 0.0% | $1.400 | $1.430 | $1.370 | 93,273 | |
| $1.370 | -0.080 | -5.5% | $1.420 | $1.530 | $1.350 | 260,284 | |
| $1.450 | +0.030 | +2.1% | $1.400 | $1.540 | $1.360 | 272,212 | |
| $1.420 | -0.040 | -2.7% | $1.470 | $1.480 | $1.400 | 157,060 | |
| $1.460 | -0.030 | -2.0% | $1.490 | $1.530 | $1.450 | 149,975 | |
| $1.490 | +0.110 | +8.0% | $1.360 | $1.660 | $1.360 | 741,251 | |
| $1.380 | -0.020 | -1.4% | $1.320 | $1.430 | $1.320 | 228,728 | |
| $1.400 | -0.170 | -10.8% | $1.530 | $1.540 | $1.380 | 425,739 | |
| $1.570 | -0.140 | -8.2% | $1.630 | $1.760 | $1.560 | 313,005 | |
| $1.710 | -0.100 | -5.5% | $1.670 | $1.790 | $1.640 | 435,312 | |
| $1.810 | -0.320 | -15.0% | $1.880 | $1.950 | $1.710 | 1,505,936 | |
| $2.130 | -0.800 | -27.3% | $2.515 | $2.660 | $1.960 | 12,332,430 | |
| $2.930 | +0.260 | +9.7% | $2.970 | $3.050 | $2.750 | 843,441 | |
| $2.670 | +0.060 | +2.3% | $2.650 | $2.820 | $2.620 | 159,922 | |
| $2.610 | -0.310 | -10.6% | $2.740 | $2.802 | $2.580 | 150,038 | |
| $2.920 | -0.010 | -0.3% | $2.910 | $3.000 | $2.731 | 193,868 | |
| $2.930 | -0.160 | -5.2% | $2.710 | $3.060 | $2.610 | 477,667 | |
| $3.090 | +0.350 | +12.8% | $2.790 | $4.900 | $2.560 | 7,330,638 | |
| $2.740 | +0.364 | +15.3% | $2.400 | $2.772 | $2.236 | 547,970 | |
| $2.376 | -0.796 | -25.1% | $2.584 | $2.688 | $2.292 | 678,593 | |
| $3.172 | -0.100 | -3.1% | $3.160 | $3.180 | $2.984 | 122,221 | |
| $3.272 | -0.048 | -1.4% | $3.120 | $3.272 | $3.000 | 295,718 | |
| $3.320 | 0.000 | 0.0% | $3.280 | $3.400 | $3.216 | 235,377 | |
| $3.320 | -0.200 | -5.7% | $3.296 | $3.468 | $3.216 | 244,340 | |
| $3.520 | +0.040 | +1.1% | $3.388 | $3.680 | $3.288 | 430,577 | |
| $3.480 | -0.416 | -10.7% | $3.660 | $3.660 | $3.200 | 597,002 | |
| $3.896 | -0.444 | -10.2% | $4.044 | $4.148 | $3.676 | 1,218,708 | |
| $4.340 | +0.816 | +23.2% | $5.148 | $5.812 | $4.120 | 14,554,099 | |
| $3.524 | -0.956 | -21.3% | $3.668 | $3.800 | $3.388 | 1,697,731 | |
| $4.480 | -0.280 | -5.9% | $4.864 | $4.864 | $4.272 | 808,095 | |
| $4.760 | -0.680 | -12.5% | $5.612 | $5.612 | $4.720 | 503,367 | |
| $5.440 | +0.124 | +2.3% | $5.616 | $5.800 | $5.128 | 2,061,621 |
- Ticker
- NASDAQ:CISS
- Asset type
- Stock
- Sector
- Industrials
- Industry
- Shipping & ports
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Oct 12, 2026
C3is Inc. Announces Attractive Voyage Charter Contract for its Aframax Tanker, Delivery of the Second MR Product Tanker and Robust NAV/Share
Latest earnings call · Aug 27, 2026
C3is (NASDAQ:CISS) Q2 2026 Earnings Call
Replay and transcript
Latest deck · Aug 27, 2026
Q2 2026 Earnings Presentation
Earnings · 13 slides
Calls
Replays
C3is (NASDAQ:CISS) Q2 2026 Earnings Call
Thu, Aug 27, 2026 · 9:00 AM ET
Watch TranscriptC3is (NASDAQ:CISS) Q1 2026 Earnings Call
Mon, May 18, 2026 · 10:00 AM ET
Watch TranscriptC3is (NASDAQ:CISS) Q4 2025 Earnings Call
Thu, Feb 19, 2026 · 10:00 AM ET
Watch Transcript
Latest news
C3is Inc. Announces Attractive Voyage Charter Contract for its Aframax Tanker, Delivery of the Second MR Product Tanker and Robust NAV/Share
Oct 12, 2026
Closed $0.681 (-13.0%) on Oct 12, 2026
C3is Inc. reports second quarter and six months 2026 financial and operating results
Aug 27, 2026
Closed $2.13 (-27.3%) on Aug 27, 2026
C3is Inc. announces the date for the release of the second quarter 2026 financial and operating results
Aug 24, 2026
Closed $2.61 (-10.6%) on Aug 24, 2026
C3is Inc. Announces Pricing of $6.0 Million Underwritten Public Offering
Jul 27, 2026
Closed $4.10 (-80.3%) on Jul 27, 2026
C3is Inc. reports robust financial and operating results for the first quarter of 2026, with a 358% increase in Adjusted Net Income
May 18, 2026
Closed $126.80 (+3.9%) on May 18, 2026
C3is Inc. announces the date for the release of the first quarter 2026 financial and operating results
May 14, 2026
Closed $127.60 (-1.2%) on May 14, 2026
C3is Inc. reports fourth quarter and twelve months 2025 financial and operating results
Feb 19, 2026
Closed $613.20 (+31.1%) on Feb 19, 2026
C3is Inc. announces the date for the release of the fourth quarter and twelve months 2025 financial and operating results
Feb 16, 2026
Closed $425.60 (+0.7%) on Feb 17, 2026
C3is Inc. Provides Fleet Expansion Update in the Tanker Sector and Announces Management's Estimate of Net Asset Value
Jan 26, 2026
Closed $576.80 (+21.7%) on Jan 26, 2026
C3is Inc. Announces the Acquisition of Two Medium Range Product Tankers
Jan 22, 2026
Closed $473.76 (-7.0%) on Jan 23, 2026
Financings
Public offering of units
Aug 27, 2026
Closed: US$6M raised · US$0.52 a unit · Warrants at US$0.52 for 12 months · Maxim Group LLC
Dealers: Maxim Group LLC (lead)
Decks
Q2 2026 Earnings Presentation
Earnings · 13 slides · Aug 27, 2026
Q1 2026 Earnings Presentation
Earnings · 13 slides · May 18, 2026
Q4 2025 Earnings Presentation
Earnings · 14 slides · Feb 19, 2026
Q3 2025 Earnings Presentation
Earnings · 13 slides · Nov 18, 2025
C3is Inc. on 6ix
- Sector
- Industrials
- Industry
- Shipping & ports
- News releases
- 16 in the last 12 months · 49 in all · newest Oct 12, 2026 · oldest 2023
- Calls
- 11 calls with a replay · 11 with a transcript · latest Aug 27, 2026
- Decks
- 7 decks · latest Aug 27, 2026
Where C3is Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:CISS · Home listing · This page | NASDAQ | United States | USD |
| BOATS:CISS | BOATS | United States | USD |
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