US sells USD 42bln of 10-year notes; tails 1bps

• High Yield: 5.020% (prev. 5.300%, six-auction avg. 4.734%); WI 5.010%.
• Tail: 1bps (prev. -1.7bps, six-auction avg. -0.6bps)
• Bid-to-Cover: 2.46x (prev. 2.77x, six-auction avg. 2.60x)
• Dealers: 9.8% (prev. 2.54%, six-auction avg. 7.45%)
• Directs: 29.0% (prev. 17.12%, six-auction avg. 15.90%)
• Indirects: 61.2% (prev. 80.34%, six-auction avg. 76.65%)

A one-basis-point tail at the 10-year is a soft result by recent standards, with the tenor having averaged a modest stop-through over recent refunding cycles. The internals explain the tail: indirect participation fell well short of its recent average, and the shortfall was absorbed almost entirely by directs rather than dealers, whose takedown stayed contained. That composition matters for the follow-through. Foreign and fund sponsorship stepping back at a concession argues the demand base thinned as yields declined into the sale, rather than dealers being forced to warehouse risk, which is the configuration that has historically produced the more persistent post-auction cheapening. The contrast with the prior auction, where indirects printed unusually high, suggests this reads more as yield-level sensitivity than a structural buyer strike. Watch next the follow-on supply on the calendar and whether indirects recover at the comparable tenor, since a single weak indirect print has tended to reverse while consecutive ones have signalled a genuine sponsorship problem. The dollar and curve reaction in the first hour has typically faded in isolated soft auctions of this kind.