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APTOF US Equity

Aptose Biosciences Inc.Health Care · Biological Products, (No Diagnostic Substances) · CIK 882361 · FY ends Dec 31
$1.69
USD · final close, as of 2026-07-02 · marketstack
Delisted — deregistered 2026-07-01

Short interest· FINRA consolidated · settlement 2026-06-30

4 settlement cycles
Shares short3K
% of shares out0.1%
Days to cover2.0
Δ vs 2026-06-15-0.3%
▲ 3K shares shortline top = 2.0d to cover2026-05-15: 3K short · 1.0d to cover2026-052026-05-29: 3K short · 1.3d to cover2026-052026-06-15: 3K short · 1.3d to cover2026-062026-06-30: 3K short · 2.0d to cover2026-06

bars = shares short · line = days to cover (own scale)

SettlementShares shortΔ vs priorAvg daily volumeDays to cover
2026-06-303,232-0.3%1,6102.0
2026-06-153,242-0.6%2,5811.3
2026-05-293,261-1.3%2,5041.3
2026-05-153,305-2.3%3,7431.0

FINRA Rule 4560 · twice monthly, published ~a week later.

Output of a disclosed model — assumptions may be wrong. Research, not investment advice. See the Disclaimer.