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AmBase Corporation (ABCP) short interest & options flow

OTCPK

AmBase Corporation is a penny-stock OTC name trading at $0.25 — up 61% over the past month — with a confirmed earnings event on May 6, a dominant insider shareholder holding 70% of shares, and almost no short-side pressure to speak of. The price action alone is striking. ABCP closed April 28 at $0.25, down 10.7% on the day but still carrying a 19% gain for the week and that…

$0.25+17.92% 1d+0.00% 1w-15.25% 1mClose: 11 Nov 2026
Cost to borrow
Low and dropping
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Availability
High
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Market cap
$21M
Next earnings
13 Nov 2026
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Key data as of 12 Nov 2026

ORTEX chart of AmBase Corporation (ABCP) share price and short interest (% of free float), six months to November 11, 2026

ABCP news and analysis

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