U.S. Department of the Treasury Back

Policy Issues • Financing the Government

Treasury Securities

Treasury securities are debt instruments issued to finance government operations. They range from short-term bills to longer-term notes and bonds. They are widely used as benchmarks for interest rates and as foundational collateral in many financial markets.

Marketable vs Non‑Marketable

Two Broad Categories

Common Types

Auctions and Re-openings

Many Treasury securities are issued through auctions. A re-opening adds additional supply to an existing security to build a larger outstanding amount and support liquidity.