Sunrun Inc. (RUN): Cost to Borrow & Stock Loan Fee
Latest borrow fee for RUN: 0.41% per year (as of Oct 19, 2026 11:06 AM ET) . Shortable shares available: 3,400,000.
Over the last window (Sep 21, 2026 – Oct 19, 2026) , borrow fees ranged from 0.25% to 0.41%, averaging 0.32% across 1,332 samples.
Frequently asked questions
What is the cost to borrow RUN?
The latest borrow fee for RUN is 0.41% 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.