Determining the best short-term treasury ETF depends on your precise liquidity requirements, brokerage platform preferences, and expense ratio sensitivity. Prominent options include the iShares 0-1 Year Treasury Bond ETF (SHV), the iShares 0-3 Month Treasury Bond ETF (SGV), and the SPDR Bloomberg 1-3 Month T-Bill ETF (BIL). These funds provide high liquidity, low expense ratios, and minimal duration risk by holding ultra-short U.S. government debt obligations.