Prime Medicine, Inc. (PRME): Cost to Borrow & Stock Loan Fee
Latest borrow fee for PRME: 0.49% per year (as of Oct 19, 2026 12:24 PM ET) . Shortable shares available: 1,900,000.
Over the last window (Sep 21, 2026 – Oct 19, 2026) , borrow fees ranged from 0.35% to 0.64%, averaging 0.46% across 1,338 samples.
Frequently asked questions
What is the cost to borrow PRME?
The latest borrow fee for PRME is 0.49% per year.
Why do borrow rates change?
Borrow fees rise when fewer shares are available to lend and fall when supply grows. Low-float, high short interest names often show sharp intraday fee spikes.
How often is CTB updated?
Borrow fees and shortable share counts are refreshed every few minutes during market hours.