Stock listing

BOATS:CISS C3is Inc. Stock

US listing (BOATS) of C3is Inc. · home listing NASDAQ:CISS

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Home listing price · NASDAQ:CISS

$0.498 USD -0.041 (-7.6%)

Close on Oct 30, 2026 · This listing has no price on 6ix; the price shown is the home listing's, NASDAQ:CISS

Past year -100.0% · daily closes, Oct 30, 2025 – Oct 30, 2026, adjusted for splits
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
C3is Inc. logo

Prices by listing

ListingLastChangeVolumeOpenHighLowPrevious closePrice from
NASDAQ:CISS · Home$0.498 USD-0.041 (-7.6%)196,791$0.540$0.562$0.488$0.539Close on Oct 30, 2026

Daily closes

Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:CISS · USD, adjusted for splits

DayCloseChange%OpenHighLowVolume
$0.498-0.041-7.6%$0.540$0.562$0.488196,791
$0.539+0.052+10.7%$0.493$0.585$0.490435,404
$0.487-0.002-0.3%$0.497$0.497$0.47281,442
$0.489-0.001-0.2%$0.479$0.498$0.462225,699
$0.490-0.017-3.4%$0.505$0.511$0.460298,815
$0.507-0.012-2.4%$0.510$0.550$0.496346,374
$0.520-0.022-4.1%$0.544$0.544$0.500295,889
$0.542-0.023-4.1%$0.551$0.615$0.5331,090,080
$0.565+0.016+2.9%$0.541$0.565$0.526255,924
$0.549+0.016+3.0%$0.540$0.570$0.525525,328
$0.533-0.030-5.4%$0.560$0.580$0.513707,593
$0.564+0.034+6.5%$0.545$0.580$0.539458,612
$0.529-0.097-15.5%$0.600$0.606$0.519897,921
$0.626-0.055-8.1%$0.674$0.740$0.5771,634,974
$0.681-0.102-13.0%$0.770$0.770$0.6406,045,868
$0.783-0.040-4.9%$0.830$0.830$0.771155,908
$0.823+0.026+3.3%$0.780$0.830$0.780177,864
$0.797-0.092-10.3%$0.840$0.860$0.795283,524
$0.889+0.026+3.0%$0.860$0.900$0.850392,338
$0.863+0.032+3.9%$0.869$0.900$0.787447,460
$0.831-0.036-4.1%$0.900$0.970$0.820434,748
$0.867-0.018-2.0%$0.885$0.902$0.851211,643
$0.885-0.066-6.9%$0.950$0.977$0.876224,613
$0.950-0.090-8.6%$1.030$1.038$0.890345,504
$1.040-0.070-6.3%$1.080$1.080$1.020291,577
$1.110-0.010-0.9%$1.110$1.130$1.060269,385
$1.120+0.020+1.8%$1.110$1.140$1.070225,726
$1.100-0.040-3.5%$1.110$1.160$1.050507,901
$1.140-0.090-7.3%$1.310$1.310$1.0002,127,724
$1.230-0.060-4.7%$1.560$1.670$1.22015,266,870
$1.290-0.040-3.0%$1.350$1.490$1.250649,858
$1.330+0.090+7.3%$1.240$1.420$1.240522,346
$1.240-0.010-0.8%$1.270$1.325$1.200226,412
$1.250-0.120-8.8%$1.380$1.405$1.250199,330
$1.3700.0000.0%$1.400$1.430$1.37093,273
$1.370-0.080-5.5%$1.420$1.530$1.350260,284
$1.450+0.030+2.1%$1.400$1.540$1.360272,212
$1.420-0.040-2.7%$1.470$1.480$1.400157,060
$1.460-0.030-2.0%$1.490$1.530$1.450149,975
$1.490+0.110+8.0%$1.360$1.660$1.360741,251
$1.380-0.020-1.4%$1.320$1.430$1.320228,728
$1.400-0.170-10.8%$1.530$1.540$1.380425,739
$1.570-0.140-8.2%$1.630$1.760$1.560313,005
$1.710-0.100-5.5%$1.670$1.790$1.640435,312
$1.810-0.320-15.0%$1.880$1.950$1.7101,505,936
$2.130-0.800-27.3%$2.515$2.660$1.96012,332,430
$2.930+0.260+9.7%$2.970$3.050$2.750843,441
$2.670+0.060+2.3%$2.650$2.820$2.620159,922
$2.610-0.310-10.6%$2.740$2.802$2.580150,038
$2.920-0.010-0.3%$2.910$3.000$2.731193,868
$2.930-0.160-5.2%$2.710$3.060$2.610477,667
$3.090+0.350+12.8%$2.790$4.900$2.5607,330,638
$2.740+0.364+15.3%$2.400$2.772$2.236547,970
$2.376-0.796-25.1%$2.584$2.688$2.292678,593
$3.172-0.100-3.1%$3.160$3.180$2.984122,221
$3.272-0.048-1.4%$3.120$3.272$3.000295,718
$3.3200.0000.0%$3.280$3.400$3.216235,377
$3.320-0.200-5.7%$3.296$3.468$3.216244,340
$3.520+0.040+1.1%$3.388$3.680$3.288430,577
$3.480-0.416-10.7%$3.660$3.660$3.200597,002
$3.896-0.444-10.2%$4.044$4.148$3.6761,218,708
$4.340+0.816+23.2%$5.148$5.812$4.12014,554,099
$3.524-0.956-21.3%$3.668$3.800$3.3881,697,731
$4.480-0.280-5.9%$4.864$4.864$4.272808,095
$4.760-0.680-12.5%$5.612$5.612$4.720503,367
$5.440+0.124+2.3%$5.616$5.800$5.1282,061,621
Ticker
BOATS:CISS
Asset type
Stock
Sector
Industrials
Industry
Shipping & ports
Exchange
BOATS
Currency
USD

What changed lately

Calls

Replays

  • C3is (NASDAQ:CISS) Q2 2026 Earnings Call

    Thu, Aug 27, 2026 · 9:00 AM ET

    Watch Transcript
  • C3is (NASDAQ:CISS) Q1 2026 Earnings Call

    Mon, May 18, 2026 · 10:00 AM ET

    Watch Transcript
  • C3is (NASDAQ:CISS) Q4 2025 Earnings Call

    Thu, Feb 19, 2026 · 10:00 AM ET

    Watch Transcript

Latest news

All C3is Inc. news

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)

    Announced Jul 27, 2026 · Closed Aug 27, 2026

Read by 6ix AI from the company's releases

Decks

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

ListingExchangeCountryCurrency
NASDAQ:CISS · Home listingNASDAQUnited StatesUSD
BOATS:CISS · This pageBOATSUnited StatesUSD

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