This data provides trading volume in U.S. Treasury securities reported to TRACE for the prior month. Monthly aggregated data is published on the second business day following the end of the month.

Treasury bond data is aggregated by security subtype: Bills, Floating Rate Notes (FRN), Nominal Coupons and Treasury Inflation-Protected Securities (TIPS). The data is further grouped into "ATS (Alternative Trading System) and Interdealer," "Dealer-to-Customer," and "Total" categories. For Nominal Coupons and TIPS, the data also shows Remaining Maturity and On-the-Run/Off-the Run groupings. Separate Trading of Registered Interest and Principal of Securities (STRIPS) are included in the Off-the-Run groupings for Nominal Coupons and TIPS categories based on Remaining Maturity, as applicable. In addition to the volume information, the reports include trade counts and, for on-the-run nominal coupons, and volume-weighted average price information.

For any questions regarding Treasury Aggregate Statistics data, please write to [email protected] or dial 888-507-3665 (option 1.)

About the Data