State Street My2029 Municipal B (MYMI) — Cost to Borrow & Stock Loan Fee
Latest borrow fee for MYMI: 0.27% per year (as of Jul 11, 2026 12:53 AM ET) . Shortable shares available: 300.
Over the last window (Jun 24, 2026 – Jul 11, 2026) , borrow fees ranged from 0.27% to 0.28%, averaging 0.28% across 610 samples.
Frequently asked questions
What is the cost to borrow MYMI?
The latest borrow fee for MYMI is 0.27% 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.