Interview With A Titan: Bob Shiller On Direction Of US Home Prices September 30, 2019September 29, 2019 Dr Denver the S&P CoreLogic (Case-Shiller) 20-City home price index rose just 0.11% month over month, missing economists’ expectations of a 0.2% rise. The index slowed to a 6.31% year over year gain, which is the weakest since December 2017.