GraniteShares YieldBOOST MSTR E (MTYY) — Cost to Borrow & Stock Loan Fee
Latest borrow fee for MTYY: 5.07% per year (as of Jul 13, 2026 8:46 AM ET) . Shortable shares available: 3,000.
Over the last window (Jun 15, 2026 – Jul 13, 2026) , borrow fees ranged from 4.59% to 7.17%, averaging 5.75% across 954 samples.
Frequently asked questions
What is the cost to borrow MTYY?
The latest borrow fee for MTYY is 5.07% 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.