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The price of C3is Inc. (CISS) on October 9, 2026 is 0.7830 USD, −4.86% on the day. Over 52 weeks the stock traded between 0.7710 USD and 15,030.40 USD; the price now sits 0% of the way up that range. Over the past year the price changed by −99.99%.
Closing prices for 9 October 2026
Next earnings report: none scheduled in the next five weeks · Earnings calendar
Change over the period shown (line colour): −99.99 %
C3is Inc. trades on Nasdaq under the ticker CISS. The company belongs to the Industrials sector. The trading history on this page starts on 14 June 2023.
Over the past 52 weeks CISS has traded between 0.7710 $ and 15,030.40 $. As of 9 October 2026 the price stood 0.00 % of the way from the 52-week low to the high.
Over one year CISS shares fell 99.99 %; over six months they fell 99.66 %. Volatility over 90 days is 334.95 %. Dividends are not included: this is price change only, as of 9 October 2026.
C3is Inc. reported revenue of 35M $ and net income of 10M $ for the latest fiscal year. Net margin is 30.13 %. Revenue changed by −17.83 % year over year. Earnings per share are 1,114.40 $.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 9 October 2026 | 0.8300 | 0.8300 | 0.7710 | 0.7830 | 153,000 |
| 8 October 2026 | 0.7800 | 0.8300 | 0.7800 | 0.8230 | 177,900 |
| 7 October 2026 | 0.8400 | 0.8600 | 0.7950 | 0.7970 | 283,500 |
| 6 October 2026 | 0.8600 | 0.9000 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the fiscal year ended 31 December 2025
The sector median covers every company in the sector on the US market, loss-making ones included.
No events for this security recently.
Address:331 KIFISSIAS AVENUE ERITHREA, ATHENS, 14561, GR
CISS has a return on equity of 11.01 %, above the sector median of 5.92 %. Return on assets is 10.63 %, above the sector median of 2.51 %. Operating margin is 3.93 %, below the sector median of 4.32 %.
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| 0.8500 |
| 0.8890 |
| 386,100 |
| 5 October 2026 | 0.8690 | 0.9000 | 0.7870 | 0.8630 | 446,200 |
| 2 October 2026 | 0.9000 | 0.9700 | 0.8200 | 0.8310 | 425,700 |
| 1 October 2026 | 0.8850 | 0.9020 | 0.8510 | 0.8670 | 211,600 |
| 30 September 2026 | 0.9500 | 0.9770 | 0.8760 | 0.8850 | 223,400 |
| 29 September 2026 | 1.03 | 1.04 | 0.8900 | 0.9500 | 338,300 |
| 28 September 2026 | 1.08 | 1.08 | 1.02 | 1.04 | 291,600 |
| 25 September 2026 | 1.11 | 1.13 | 1.06 | 1.11 | 262,900 |
| 24 September 2026 | 1.11 | 1.14 | 1.07 | 1.12 | 219,200 |
| 23 September 2026 | 1.11 | 1.16 | 1.05 | 1.10 | 506,600 |
| 22 September 2026 | 1.31 | 1.31 | 1.00 | 1.14 | 2M |
| 21 September 2026 | 1.56 | 1.67 | 1.22 | 1.23 | 15M |
| 18 September 2026 | 1.35 | 1.49 | 1.25 | 1.29 | 644,400 |
| 17 September 2026 | 1.24 | 1.42 | 1.24 | 1.33 | 522,300 |
| 16 September 2026 | 1.27 | 1.33 | 1.20 | 1.24 | 225,800 |
| 15 September 2026 | 1.38 | 1.41 | 1.25 | 1.25 | 197,000 |
| 14 September 2026 | 1.40 | 1.43 | 1.37 | 1.37 | 89,400 |