The most recent short interest is < 1% of the OS. IMHO interpreting short volume as actual short sales is misleading. Please check out these two posts for some detailed explanations.

https://investorshangout.com/post/view?id=4630190

https://investorshangout.com/post/view?id=4670279

The official short interest and failure-to-deliver data can be seen here.

http://otce.finra.org/ESI

https://www.sec.gov/help/foiadocsfailsdatahtm.html