The State Street SPDR Portfolio Treasury ETF seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the Bloomberg U. S. Treasury Index (the "Index")A low-cost ETF seeking to provide exposure to US Treasurys with a remaining maturity of 1 year or greaterPart of the low-cost core State Street SPDR Portfolio ETFs suite, a family of asset allocation building blocks designed to provide broad, diversified exposure to core asset classesFor investors looking to disaggregate the Bloomberg U.