Key Takeaways Opendoor ramps acquisitions 46% sequentially as it scales its "Opendoor 2.0" model.OPEN stock has surged 278% in a year and trades at 0.83 forward P/S, below the industry.Zillow advances its housing super app, but shares are down 38.9% amid soft volumes.The U.S. housing market remains constrained by elevated mortgage rates and limited inventory, creating a complex backdrop for digital real estate platforms. Against this environment, Opendoor Technologies Inc. (OPEN) and Zillow Group, Inc. (Z) ...