CleanSpark, Inc. (CLSK) — Cost to Borrow & Stock Loan Fee
Latest borrow fee for CLSK: 0.29% per year (as of May 21, 2026 12:33 PM ET) . Shortable shares available: 4,600,000.
Over the last window (Apr 21, 2026 – May 21, 2026) , borrow fees ranged from 0.27% to 0.75%, averaging 0.33% across 1,352 samples.
Frequently asked questions
- What is the cost to borrow CLSK?
- The latest borrow fee for CLSK is 0.29% per year, sourced from IBKR.
- Why does borrow fee change?
- Borrow fees rise when fewer shares are available to lend and fall when supply grows. Low-float, high-interest names often show sharp intraday fee spikes.
- How often is CTB updated?
- finshort polls IBKR throughout each trading session. Borrow fees and shortable share counts are refreshed every few minutes during market hours.