you can exchange stocks through most mediums. You can do it in person, by email, with a phone, or over Facebook. One example would be scenes from movies where

you can exchange stocks through most mediums. You can do it in person, by email, with a phone, or over Facebook. One example would be scenes from movies where you have traders on the phone negotiating with each other. you might find these links helpful https://www.investopedia.com/terms/a/alternative-trading-system.asp https://www.investopedia.com/terms/a/alternative-trading-sys... https://www.investopedia.com/terms/b/blocktrade.asp https://www.investopedia.com/terms/b/blocktrade.asp https://www.sec.gov/foia-services/frequently-requested-documents/alternative-trading-system-ats-list https://www.sec.gov/foia-services/frequently-requested-docum...