The index measures the performance of US dollar - denominated, investment - grade, corporate bond securities publicly issued by non financial companies that have $ 250 million or more of outstanding face value at the time of inclusion and mature between March 31, 2015 and April 1, 2016. (etfdb.com)
Bloomberg Barclays Long U.S. Government Credit Index includes all publicly issued U.S. government and corporate securities that have a remaining maturity of 10 or more years, are rated investment grade, and have $ 250 million or more of outstanding face value. (fidelity.com)
The Index includes publicly issued U.S. dollar denominated corporate issues that have a remaining maturity of greater than or equal to 1 year and less than 3 years, are rated investment grade (must be Baa3 / BBB - or higher using the middle rating of Moody's Investors Service, Inc., Fitch Inc., or Standard & Poor's Financial Services, LLC), and have $ 300 million or more of outstanding face value. (us.spdrs.com)