Airbnb on Monday released a prospectus filed with the U.S. Securities and Exchange Commission in preparation for its initial public offering. During the nine months ending Sept. 30, 2020, Airbnb totaled $2.5 billion in revenue, down 32 percent year over year, and had gross booking value of $18 billion, down 39 percent year over year, according to the prospectus. In addition, Airbnb posted a net loss of $697 million for the 2020 period.