JPMorgan Ultra-Short Municipal (JMST) — Cost to Borrow & Stock Loan Fee
Latest borrow fee for JMST: 8.56% per year (as of Jul 11, 2026 12:53 AM ET) . Shortable shares available: 100,000.
Over the last window (Jun 15, 2026 – Jul 11, 2026) , borrow fees ranged from 6.15% to 10.22%, averaging 7.60% across 1,278 samples.
Frequently asked questions
What is the cost to borrow JMST?
The latest borrow fee for JMST is 8.56% 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.