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Weak 30Y Auction A Warning Shot For Duration Demand (1/2)

US TSYS

Thursday's 30Y Bond auction was historically weak and - while possibly a one-off - does not bode well for demand for duration without significant concessions.

  • While we don't compile tail data that far back, multiple outlets/analysts have reported the 5.2bp was the largest for a 30Y sale since the 9.8bp in August 2011 after the US credit rating was downgraded from AAA by S&P.
  • 30Y refundings are notorious for tailing. But there's no mistaking that the internals of the auction were very weak.
  • The spread of the high yield minus the median yield - of 12bp - was likewise the highest since Aug 2011, dealer takeup of 24.7% was over double the average, and indirect awards were soft at 60% (10pp below average).
  • The 5.2bp tail was actually quite close to November 2021's 5.1bp, but MNI's relative auction strength indicator came in at -2.66 for yesterday's sale, the lowest we've yet recorded.

Source: US Treasury, MNI Calculations

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