King Copper Discovery Corp. (TBXXF): Cost to Borrow & Stock Loan Fee
Latest borrow fee for TBXXF: 1.15% per year (as of Oct 23, 2026 4:19 PM ET) . Shortable shares available: 6,900,000.
Over the last window (Sep 23, 2026 – Oct 23, 2026) , borrow fees ranged from 0.84% to 1.31%, averaging 1.15% across 1,451 samples.
Frequently asked questions
What is the cost to borrow TBXXF?
The latest borrow fee for TBXXF is 1.15% 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.