Keystone Acquisition Corp. Class A Ordinary Shares (KEYY)
$9.93▼ −0.05%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$9.93▲ 0.20% in range
Sep 14, 2026Low $9.91 · High $9.95Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026
Keystone Acquisition closed at $9.93 on Nov 4, down 0.05%, within 0.2% of its lowest close since Sep 14. Volume of 10.3K shares was 0.10× its 20-day average (below normal).
Split-adjusted performance: +0.0% over one month.
Short interest was 1.2K shares at the Oct 15 settlement, down 5.2% from the prior report (0.0% of float, 1.0 days to cover).
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Quick answers
What does Keystone Acquisition do?
Keystone Acquisition Corp is a blank check company formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses.
What is KEYY's market cap?
$380.65M, based on the Nov 4 close of $9.93.
How much of KEYY is sold short?
1.2K shares, 0.0% of float, as of Oct 15, 2026.
What sector is KEYY in?
Financials, in the Blank Checks industry.
About Keystone Acquisition
Keystone Acquisition Corp is a blank check company formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses.
HQ: New York, NYListed Jun 22, 2026
Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology