US to sell USD 69bln of 2yr notes on September 22nd, USD 70bln of 5yr notes on Sept. 23rd, and USD 44bln of 7yr notes on Sept. 24th; all to settle Sept. 30th

Quarterly refunding announcements of this kind are the Treasury's standing operating procedure, and the immediate point of comparison is against the prior refunding's auction sizes, since unchanged coupon sizes read as a neutral supply signal while increases historically steepen the belly of the curve and put upward pressure on auction tails. The 2, 5 and 7-year block concentrates duration supply into three consecutive sessions, a sequencing that has tended to make the 7-year the softest of the set given its awkward fit with index and duration buyers. The conditional clause on an unscheduled 5-year reopening is the unusual feature: it ties a possible extra tranche to where the 2-year high yield prints, a contingency rarely seen in standard refunding statements and one that links bill and coupon management directly to the front-end level. The bill sizes and the FRN reopening are routine, though the FRN auction will be read for money-market demand for floating rate paper against front-end spreads. The tells through the week are dealer concessions building into each auction, tail sizes versus recent averages, and whether the high yield on the 2-year falls inside the stated band that would trigger the extra 5-year supply.