Congratulations!
Exchange is correct.
Stock exchange were once started in a house or Inn of Van der Beurze in the 13th century.
traders and merchants conducted business in the said location. The term bourse was then evolved to indicate the organized trading venue.
Sources:
http://en.cityzeum.com/p/van-der-beurze-house
https://en.wikipedia.org/wiki/Exchange_(organized_market)
https://bitcointalk.org/index.php?topic=3735903.msg36965511#msg36965511