VTAPX is a mutual fund offered by Vanguard that focuses on short-term inflation-protected securities. It is designed to provide investors with a low-risk option for protecting their investments against inflation. This fund is only available to Admiral Class investors, meaning it requires a higher minimum investment but offers lower expense ratios. VTAPX tracks the performance of the Bloomberg Barclays U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Year Index, providing diversification and potential for steady returns.