United States securities and exchange commission logo December 5, 2023 Christina Schwartz Interim Chief Financial Officer Opendoor Technologies Inc. 410 N. Scottsdale Road, Suite 1600 Tempe, AZ 85288 Re: Opendoor Technologies Inc. Form 10-K for the year ended December 31, 2022 Form 10-Q for the quarterly period ended September 30, 2023 File No. 001-39253 Dear Christina Schwartz: We have limited our review of your filing to the financial statements and related disclosures and have the following comments. Please respond to this letter within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe a comment applies to your facts and circumstances, please tell us why in your response. After reviewing your response to this letter, we may have additional comments. Form 10-K for the year ended December 31, 2022 Item 7. Management s Discussion and Analysis of Financial Condition and Results of Operations Financial Highlights, page 40 1. Please revise future filings both here and throughout your filing, as applicable, to label all non-GAAP measures as such and to provide a cross-reference to your discussion and reconciliations of such non-GAAP measures to their nearest comparable GAAP measures. Inventory Management, page 42 2. Given the significance of sell-through rates, holding periods and portfolio aging to your business, please tell us what consideration you have given to disclosing these metrics in a format, such as a tabular presentation, that would enable a reader to see how movements between each of these metrics impacted your business in each of the periods presented. For instance, we note your discussion on page 30 of the effects that aging of the portfolio Christina Schwartz Opendoor Technologies Inc. December 5, 2023 Page 2 has on your ability to finance homes; however, it is not readily apparent what effect portfolio aging had on your ability to finance homes and on cash as collateral in the periods presented. Adjusted EBIDTA Margin , page 46 3. Please revise future filings to disclose how you calculate adjusted EBITDA margin. Form 10-Q for the quarterly period ended September 30, 2023 Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations Liquidity and Capital Resources Overview, page 41 4. Please tell us what consideration you gave to enhancing your disclosure regarding the nature of your increase in restricted cash during the period, including but not limited to the amount of the increase that relates to the requirement to pledge additional cash as collateral for properties you have owned for extended periods. In addition, we note your disclosure on page 41 that states, "[t]he increase in our restricted cash balance of $570 million as compared to December 31, 2022 was a result of the proactive reduction of our acquisition pace via higher spreads embedded in our offers and lower marketing investment, resulting in greater restricted cash available for the future acquisition of real estate inventory." Please clarify for us how this assertion is representative of the increase in restricted cash during the period. In closing, we remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Paul Cline at 202-551-3851 or Jennifer Monick at 202-551-3295 with any questions. FirstName LastNameChristina Schwartz Sincerely, Comapany NameOpendoor Technologies Inc. Division of Corporation Finance December 5, 2023 Page 2 Office of Real Estate & Construction FirstName LastName