thanks, I work at a financial institution, so I "Googled" it a few times, short selling is based on borrowing the underlying securities - not owning them - or a

thanks, I work at a financial institution, so I "Googled" it a few times, short selling is based on borrowing the underlying securities - not owning them - or alternatively owning a(n often bespoke) derivative, related to those securities, which behaves as a short. If you own a security you are long, not short.