CISS short interest

C3is Inc. · Industrials · Marine Shipping · settlement date 2026-09-30

Shares short19,428
Change vs prior report-1,322 (-6.4%)
Change over six months-66.7%
Days to cover1.00 (sector: 2.82)
Average daily volume1,825,210
Rank in Industrials#530 of 627 by days to cover

CISS short interest, last 12 months

SettlementShares shortChangeDays to coverAvg daily volume
2026-09-3019,428-6.4%1.001,825,210
2026-09-1520,750-77.8%1.00286,443
2026-08-3193,408-83.0%1.002,190,645
2026-08-14551,009-80.8%1.0079,613,822
2026-07-312,866,583+4600.9%1.0050,050,874
2026-07-1560,980+69.4%1.0099,124
2026-06-3036,007-56.4%1.00157,075
2026-06-1582,532+69.8%1.00779,824
2026-05-2948,614-53.3%1.003,292,520
2026-05-15104,053+22.4%3.0833,747
2026-04-3084,980+699.4%1.1176,760
2026-04-1510,631-81.8%1.0092,813
2026-03-3158,387-3.7%1.00835,135
2026-03-1360,614-75.9%1.001,754,665
2026-02-27251,601-7.5%1.004,655,522
2026-02-13271,959+56.0%1.0011,506,155
2026-01-30174,310+187.7%1.003,433,868
2026-01-1560,586-66.3%1.002,243,539
2025-12-31179,803-57.9%1.002,009,481
2025-12-15427,225+486.5%1.001,959,190
2025-11-2872,842-26.7%1.8140,135
2025-11-1499,412-11.4%1.0594,385
2025-10-31112,235+126.5%1.00302,251
2025-10-1549,544-81.6%1.008,833,250
2025-09-30268,954+42.8%1.00985,608
import finzdata as yf
yf.Ticker("CISS").short_interest          # every report since 2017
yf.Client().short_interest(["CISS"], start="2018-01-01")

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