ZipLime US Treasury Events Copyright 2026 ZipLime Source data: the United States Department of the Treasury -- the TreasuryDirect auction query and its announcement and result artifacts, and the Daily Treasury par yield curve, real yield curve and bill rate feeds. US Government works in the public domain. This dataset adds the release instant, read from the result artifact where the Treasury states one and modelled conservatively where it does not, the normalisation of the curves into long form, and validation. Those additions are licensed under Apache-2.0 (see LICENSE). The Department of the Treasury does not endorse, certify or verify this dataset.