The Schwab US TIPS ETF (NYSEARCA: SCHP ) and Vanguard Short-Term Inflation-Protected Securities ETF (NASDAQ: VTIP ) are also big enough, and well-traded enough, to be equally-viable options. That is, the bi-annual interest payment is reset every year to reflect increases (or decreases) in the Consumer Price Index; you know it better as "the inflation rate." All too often the fund company is a mere packager of equities that offer an index-minded product to meet a need that may or may not exist.