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US TSYS/SUPPLY: Soft Auctions Amid First 6-Week Benchmark Sale

US TSYS/SUPPLY
We don't usually cover t-bill auctions in any depth, but today's sales were unusual: 
  • The 52-week bill bid-to-cover was the lowest since September 2024 (3.03x); the 26-week saw its lowest since March 2024.
  • Another curiosity: the percentage allotted at high was the lowest for years for both the 13-week (8.5%, lowest since Oct 2024 which was 15 auctions ago) and 52-week (6.5%, lowest since Nov 2023 and 2nd lowest since October 2020).
  • Meanwhile, for the first time in an auction cycle, Treasury has made the 6-week bill a "benchmark" bill - joining the other major bills (eg 4- and 8-week) with regularly scheduled settlement and maturity cycles.
  • Previously it was just technically an ad hoc cash management bill (CMB) - the transition to benchmark status was announced in May 2024. Recall that Treasury made the 4-month bill a benchmark in October 2022.
  • Treasury began regular weekly issuance of the 6-week bill coming out of the resolution of the debt limit impasse in June 2023, and it was the only regularly issued CMB.
  • The inaugural benchmark sale saw a 2.49x bid/cover on a high yield of 4.27% - the yield was typical of recent 42-day CMB sales but the bid-cover was on the low side (longer-term average has been closer to 3.00x). 
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We don't usually cover t-bill auctions in any depth, but today's sales were unusual: 
  • The 52-week bill bid-to-cover was the lowest since September 2024 (3.03x); the 26-week saw its lowest since March 2024.
  • Another curiosity: the percentage allotted at high was the lowest for years for both the 13-week (8.5%, lowest since Oct 2024 which was 15 auctions ago) and 52-week (6.5%, lowest since Nov 2023 and 2nd lowest since October 2020).
  • Meanwhile, for the first time in an auction cycle, Treasury has made the 6-week bill a "benchmark" bill - joining the other major bills (eg 4- and 8-week) with regularly scheduled settlement and maturity cycles.
  • Previously it was just technically an ad hoc cash management bill (CMB) - the transition to benchmark status was announced in May 2024. Recall that Treasury made the 4-month bill a benchmark in October 2022.
  • Treasury began regular weekly issuance of the 6-week bill coming out of the resolution of the debt limit impasse in June 2023, and it was the only regularly issued CMB.
  • The inaugural benchmark sale saw a 2.49x bid/cover on a high yield of 4.27% - the yield was typical of recent 42-day CMB sales but the bid-cover was on the low side (longer-term average has been closer to 3.00x). 
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