# USTB The Superstate Short Duration US Government Securities Fund invests in short-duration U.S. Treasury Bills and targets returns in line with the federal funds rate. Shares of the Fund are issued as USTB tokens on Ethereum, Solana, and Plume, or held in book‑entry form. USTB is freely transferable between wallet addresses on the Allowlist. Purchases and redemptions are facilitated through USD or USDC, with liquidity each market day. #### More info * [Income, Fees & Yield](/investors/tokenized-funds/ustb/income-fees-and-yield.md) * [Purchasing USTB](/investors/tokenized-funds/ustb/purchasing-ustb.md) * [Redeeming USTB](/investors/tokenized-funds/ustb/redeeming-ustb.md) * [Legal Structure](/investors/tokenized-funds/ustb/legal-structure.md) * [Historical NAV/S, AUM, and Yield](https://superstate.com/assets/ustb) * [Current holdings, supported networks, DeFi integrations, and service providers](https://superstate.com/assets/ustb) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.superstate.com/investors/tokenized-funds/ustb.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.