The US Treasury 3 Month Bill ETF (TBIL) seeks to track the performance of 3-month U.S. Treasury bills, which are short-term government debt securities that mature in approximately 90 days. This ultra-short duration fixed income ETF provides exposure to the safest, most liquid segment of the Treasury market.
How It Works
TBIL uses a passively managed approach that holds actual 3-month Treasury bills or rolls into new bills as existing ones mature every 90 days. The fund maintains a constant maturity profile by continuously purchasing new 3-month bills to replace maturing securities. This rolling strategy keeps duration extremely low (near 0.25 years) while capturing prevailing short-term interest rates. Holdings consist entirely of direct U.S. government obligations with no credit risk.
Key Features
- Zero expense ratio makes it one of the most cost-effective ways to access Treasury bill yields
- Ultra-short 3-month duration minimizes interest rate sensitivity compared to longer-term bond ETFs
- 3.45% current yield reflects prevailing short-term rates, adjusting automatically as bills mature and roll
Risks
- This ETF can lose value if interest rates fall significantly, reducing yields on new bill purchases at maturity
- Inflation risk means real returns turn negative when Treasury bill yields fall below inflation rates
- Opportunity cost risk exists if longer-term bonds outperform during rate decline periods, limiting total return potential
Who Should Own This
Best suited for conservative investors seeking capital preservation with minimal volatility over 3-12 month periods. Ideal as cash alternative or parking spot for funds awaiting deployment. Low risk tolerance required. Works well as 5-20% defensive allocation or temporary holding during market uncertainty periods.