Main Street Capital Corporation (MAIN): Cost to Borrow & Stock Loan Fee
Latest borrow fee for MAIN: 4.63% per year (as of Oct 19, 2026 8:00 PM ET) . Shortable shares available: 700,000.
Over the last window (Sep 21, 2026 – Oct 19, 2026) , borrow fees ranged from 4.28% to 5.57%, averaging 4.80% across 1,367 samples.
Frequently asked questions
What is the cost to borrow MAIN?
The latest borrow fee for MAIN is 4.63% 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.