The State Street SPDR Portfolio TIPS ETF seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the Bloomberg U.S. Government Inflation-Linked Bond Index (the "Index").A low cost ETF that seeks to offer exposure to U.S. Treasury inflation protected securities (TIPS). TIPS are securities issued by the U.S. Treasury that are designed to provide inflation protection to investorsSeeks to hedge against the erosion of purchasing power due to inflation. One of the low cost core State Street SPDR Portfolio ETFs, a suite of portfolio building blocks designed to provide broad, diversified exposure to core asset classes.