The long-suffering real estate stocks are suddenly soaring.Opendoor Technologies (OPEN 2.38%) and Redfin (RDFN -1.58%) are cut from the same cloth in many ways. Both are real estate tech stocks aiming to disrupt the massive real estate industry. They have a lot of exposure to the housing market, which has sunk both stocks in the post-pandemic slump.As the chart below shows, Opendoor and Redfin are both down sharply from their previous peaks. Both stocks are down roughly 90% from their pandemic-era peaks, bu ...