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C3is Inc. (CISS) short interest & options flow

NASDAQ
Latest pulse19 May 2026

CISS short interest surges 129% in one week to 5.2% of float, cost to borrow hits 351% as availability plummets to 11%.

$1.78-12.75% 1d+262.38% 1w+127.30% 1mClose: 11 Nov 2026
Short interest % of float
Dropping
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Cost to borrow
High and rising
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Availability
Low
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Market cap
$114472
Next earnings
19 Nov 2026
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Key data as of 12 Nov 2026

ORTEX chart of C3is Inc. (CISS) share price and short interest (% of free float), six months to November 11, 2026

Latest signals on CISS

  • Short Interest

    CISS short interest surges 129% in one week to 5.2% of float, cost to borrow hits 351% as availability plummets to 11%.

CISS news and analysis

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