Bravatek Solutions Inc (BVTK)

[Homebrew]

I look up current short interest/sales here.
http://otce.finra.org/ESI

And for historical, I find this easier to read.
https://www.otcmarkets.com/stock/bvtk/short-sales

Otcmarkets is sometimes slow to post the most recent FINRA numbers, but easier to read history.

Look at the short interest number relative to average daily volume. In OTC, it's almost always a tiny fraction.